19726740

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 192

約数和(自身を含む): 69431040

約数和(自身を除く): 49704300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 41, 44, 45, 54, 55, 60, 66, 81, 82, 90, 99, 108, 110, 123, 132, 135, 162, 164, 165, 180, 198, 205, 220, 243, 246, 270, 297, 324, 330, 369, 396, 405, 410, 451, 486, 492, 495, 540, 594, 615, 660, 729, 738, 810, 820, 891, 902, 972, 990, 1107, 1188, 1215, 1230, 1353, 1458, 1476, 1485, 1620, 1782, 1804, 1845, 1980, 2187, 2214, 2255, 2430, 2460, 2673, 2706, 2916, 2970, 3321, 3564, 3645, 3690, 4059, 4374, 4428, 4455, 4510, 4860, 5346, 5412, 5535, 5940, 6642, 6765, 7290, 7380, 8019, 8118, 8748, 8910, 9020, 9963, 10692, 10935, 11070, 12177, 13284, 13365, 13530, 14580, 16038, 16236, 16605, 17820, 19926, 20295, 21870, 22140, 24057, 24354, 26730, 27060, 29889, 32076, 33210, 36531, 39852, 40095, 40590, 43740, 48114, 48708, 49815, 53460, 59778, 60885, 66420, 73062, 80190, 81180, 89667, 96228, 99630, 109593, 119556, 120285, 121770, 146124, 149445, 160380, 179334, 182655, 199260, 219186, 240570, 243540, 298890, 328779, 358668, 365310, 438372, 448335, 481140, 547965, 597780, 657558, 730620, 896670, 986337, 1095930, 1315116, 1643895, 1793340, 1972674, 2191860, 3287790, 3945348, 4931685, 6575580, 9863370, 19726740]

約数ペア:

[(1, 19726740), (2, 9863370), (3, 6575580), (4, 4931685), (5, 3945348), (6, 3287790), (9, 2191860), (10, 1972674), (11, 1793340), (12, 1643895), (15, 1315116), (18, 1095930), (20, 986337), (22, 896670), (27, 730620), (30, 657558), (33, 597780), (36, 547965), (41, 481140), (44, 448335), (45, 438372), (54, 365310), (55, 358668), (60, 328779), (66, 298890), (81, 243540), (82, 240570), (90, 219186), (99, 199260), (108, 182655), (110, 179334), (123, 160380), (132, 149445), (135, 146124), (162, 121770), (164, 120285), (165, 119556), (180, 109593), (198, 99630), (205, 96228), (220, 89667), (243, 81180), (246, 80190), (270, 73062), (297, 66420), (324, 60885), (330, 59778), (369, 53460), (396, 49815), (405, 48708), (410, 48114), (451, 43740), (486, 40590), (492, 40095), (495, 39852), (540, 36531), (594, 33210), (615, 32076), (660, 29889), (729, 27060), (738, 26730), (810, 24354), (820, 24057), (891, 22140), (902, 21870), (972, 20295), (990, 19926), (1107, 17820), (1188, 16605), (1215, 16236), (1230, 16038), (1353, 14580), (1458, 13530), (1476, 13365), (1485, 13284), (1620, 12177), (1782, 11070), (1804, 10935), (1845, 10692), (1980, 9963), (2187, 9020), (2214, 8910), (2255, 8748), (2430, 8118), (2460, 8019), (2673, 7380), (2706, 7290), (2916, 6765), (2970, 6642), (3321, 5940), (3564, 5535), (3645, 5412), (3690, 5346), (4059, 4860), (4374, 4510), (4428, 4455)]