19785480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1191

約数の個数: 128

約数和(自身を含む): 69793920

約数和(自身を除く): 50008440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1153, 1320, 1430, 1560, 1716, 2145, 2306, 2860, 3432, 3459, 4290, 4612, 5720, 5765, 6918, 8580, 9224, 11530, 12683, 13836, 14989, 17160, 17295, 23060, 25366, 27672, 29978, 34590, 38049, 44967, 46120, 50732, 59956, 63415, 69180, 74945, 76098, 89934, 101464, 119912, 126830, 138360, 149890, 152196, 164879, 179868, 190245, 224835, 253660, 299780, 304392, 329758, 359736, 380490, 449670, 494637, 507320, 599560, 659516, 760980, 824395, 899340, 989274, 1319032, 1521960, 1648790, 1798680, 1978548, 2473185, 3297580, 3957096, 4946370, 6595160, 9892740, 19785480]

約数ペア:

[(1, 19785480), (2, 9892740), (3, 6595160), (4, 4946370), (5, 3957096), (6, 3297580), (8, 2473185), (10, 1978548), (11, 1798680), (12, 1648790), (13, 1521960), (15, 1319032), (20, 989274), (22, 899340), (24, 824395), (26, 760980), (30, 659516), (33, 599560), (39, 507320), (40, 494637), (44, 449670), (52, 380490), (55, 359736), (60, 329758), (65, 304392), (66, 299780), (78, 253660), (88, 224835), (104, 190245), (110, 179868), (120, 164879), (130, 152196), (132, 149890), (143, 138360), (156, 126830), (165, 119912), (195, 101464), (220, 89934), (260, 76098), (264, 74945), (286, 69180), (312, 63415), (330, 59956), (390, 50732), (429, 46120), (440, 44967), (520, 38049), (572, 34590), (660, 29978), (715, 27672), (780, 25366), (858, 23060), (1144, 17295), (1153, 17160), (1320, 14989), (1430, 13836), (1560, 12683), (1716, 11530), (2145, 9224), (2306, 8580), (2860, 6918), (3432, 5765), (3459, 5720), (4290, 4612)]