19489140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 192

約数和(自身を含む): 70398720

約数和(自身を除く): 50909580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 132, 135, 153, 165, 170, 180, 187, 193, 198, 204, 220, 255, 270, 297, 306, 330, 340, 374, 386, 396, 459, 495, 510, 540, 561, 579, 594, 612, 660, 748, 765, 772, 918, 935, 965, 990, 1020, 1122, 1158, 1188, 1485, 1530, 1683, 1737, 1836, 1870, 1930, 1980, 2123, 2244, 2295, 2316, 2805, 2895, 2970, 3060, 3281, 3366, 3474, 3740, 3860, 4246, 4590, 5049, 5211, 5610, 5790, 5940, 6369, 6562, 6732, 6948, 8415, 8492, 8685, 9180, 9843, 10098, 10422, 10615, 11220, 11580, 12738, 13124, 16405, 16830, 17370, 19107, 19686, 20196, 20844, 21230, 25245, 25476, 26055, 29529, 31845, 32810, 33660, 34740, 36091, 38214, 39372, 42460, 49215, 50490, 52110, 57321, 59058, 63690, 65620, 72182, 76428, 88587, 95535, 98430, 100980, 104220, 108273, 114642, 118116, 127380, 144364, 147645, 177174, 180455, 191070, 196860, 216546, 229284, 286605, 295290, 324819, 354348, 360910, 382140, 433092, 442935, 541365, 573210, 590580, 649638, 721820, 885870, 974457, 1082730, 1146420, 1299276, 1624095, 1771740, 1948914, 2165460, 3248190, 3897828, 4872285, 6496380, 9744570, 19489140]

約数ペア:

[(1, 19489140), (2, 9744570), (3, 6496380), (4, 4872285), (5, 3897828), (6, 3248190), (9, 2165460), (10, 1948914), (11, 1771740), (12, 1624095), (15, 1299276), (17, 1146420), (18, 1082730), (20, 974457), (22, 885870), (27, 721820), (30, 649638), (33, 590580), (34, 573210), (36, 541365), (44, 442935), (45, 433092), (51, 382140), (54, 360910), (55, 354348), (60, 324819), (66, 295290), (68, 286605), (85, 229284), (90, 216546), (99, 196860), (102, 191070), (108, 180455), (110, 177174), (132, 147645), (135, 144364), (153, 127380), (165, 118116), (170, 114642), (180, 108273), (187, 104220), (193, 100980), (198, 98430), (204, 95535), (220, 88587), (255, 76428), (270, 72182), (297, 65620), (306, 63690), (330, 59058), (340, 57321), (374, 52110), (386, 50490), (396, 49215), (459, 42460), (495, 39372), (510, 38214), (540, 36091), (561, 34740), (579, 33660), (594, 32810), (612, 31845), (660, 29529), (748, 26055), (765, 25476), (772, 25245), (918, 21230), (935, 20844), (965, 20196), (990, 19686), (1020, 19107), (1122, 17370), (1158, 16830), (1188, 16405), (1485, 13124), (1530, 12738), (1683, 11580), (1737, 11220), (1836, 10615), (1870, 10422), (1930, 10098), (1980, 9843), (2123, 9180), (2244, 8685), (2295, 8492), (2316, 8415), (2805, 6948), (2895, 6732), (2970, 6562), (3060, 6369), (3281, 5940), (3366, 5790), (3474, 5610), (3740, 5211), (3860, 5049), (4246, 4590)]