18657240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 50289960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 167, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 334, 380, 392, 399, 420, 456, 490, 501, 532, 570, 588, 665, 668, 735, 760, 798, 835, 840, 931, 980, 1002, 1064, 1140, 1169, 1176, 1330, 1336, 1470, 1596, 1670, 1862, 1960, 1995, 2004, 2280, 2338, 2505, 2660, 2793, 2940, 3173, 3192, 3340, 3507, 3724, 3990, 4008, 4655, 4676, 5010, 5320, 5586, 5845, 5880, 6346, 6680, 7014, 7448, 7980, 8183, 9310, 9352, 9519, 10020, 11172, 11690, 12692, 13965, 14028, 15865, 15960, 16366, 17535, 18620, 19038, 20040, 22211, 22344, 23380, 24549, 25384, 27930, 28056, 31730, 32732, 35070, 37240, 38076, 40915, 44422, 46760, 47595, 49098, 55860, 63460, 65464, 66633, 70140, 76152, 81830, 88844, 95190, 98196, 111055, 111720, 122745, 126920, 133266, 140280, 155477, 163660, 177688, 190380, 196392, 222110, 245490, 266532, 310954, 327320, 333165, 380760, 444220, 466431, 490980, 533064, 621908, 666330, 777385, 888440, 932862, 981960, 1243816, 1332660, 1554770, 1865724, 2332155, 2665320, 3109540, 3731448, 4664310, 6219080, 9328620, 18657240]

約数ペア:

[(1, 18657240), (2, 9328620), (3, 6219080), (4, 4664310), (5, 3731448), (6, 3109540), (7, 2665320), (8, 2332155), (10, 1865724), (12, 1554770), (14, 1332660), (15, 1243816), (19, 981960), (20, 932862), (21, 888440), (24, 777385), (28, 666330), (30, 621908), (35, 533064), (38, 490980), (40, 466431), (42, 444220), (49, 380760), (56, 333165), (57, 327320), (60, 310954), (70, 266532), (76, 245490), (84, 222110), (95, 196392), (98, 190380), (105, 177688), (114, 163660), (120, 155477), (133, 140280), (140, 133266), (147, 126920), (152, 122745), (167, 111720), (168, 111055), (190, 98196), (196, 95190), (210, 88844), (228, 81830), (245, 76152), (266, 70140), (280, 66633), (285, 65464), (294, 63460), (334, 55860), (380, 49098), (392, 47595), (399, 46760), (420, 44422), (456, 40915), (490, 38076), (501, 37240), (532, 35070), (570, 32732), (588, 31730), (665, 28056), (668, 27930), (735, 25384), (760, 24549), (798, 23380), (835, 22344), (840, 22211), (931, 20040), (980, 19038), (1002, 18620), (1064, 17535), (1140, 16366), (1169, 15960), (1176, 15865), (1330, 14028), (1336, 13965), (1470, 12692), (1596, 11690), (1670, 11172), (1862, 10020), (1960, 9519), (1995, 9352), (2004, 9310), (2280, 8183), (2338, 7980), (2505, 7448), (2660, 7014), (2793, 6680), (2940, 6346), (3173, 5880), (3192, 5845), (3340, 5586), (3507, 5320), (3724, 5010), (3990, 4676), (4008, 4655)]