18948540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1$

素因数の和:1471

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 41591940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 340, 390, 442, 510, 663, 780, 884, 1020, 1105, 1326, 1429, 2210, 2652, 2858, 3315, 4287, 4420, 5716, 6630, 7145, 8574, 13260, 14290, 17148, 18577, 21435, 24293, 28580, 37154, 42870, 48586, 55731, 72879, 74308, 85740, 92885, 97172, 111462, 121465, 145758, 185770, 222924, 242930, 278655, 291516, 315809, 364395, 371540, 485860, 557310, 631618, 728790, 947427, 1114620, 1263236, 1457580, 1579045, 1894854, 3158090, 3789708, 4737135, 6316180, 9474270, 18948540]

約数ペア:

[(1, 18948540), (2, 9474270), (3, 6316180), (4, 4737135), (5, 3789708), (6, 3158090), (10, 1894854), (12, 1579045), (13, 1457580), (15, 1263236), (17, 1114620), (20, 947427), (26, 728790), (30, 631618), (34, 557310), (39, 485860), (51, 371540), (52, 364395), (60, 315809), (65, 291516), (68, 278655), (78, 242930), (85, 222924), (102, 185770), (130, 145758), (156, 121465), (170, 111462), (195, 97172), (204, 92885), (221, 85740), (255, 74308), (260, 72879), (340, 55731), (390, 48586), (442, 42870), (510, 37154), (663, 28580), (780, 24293), (884, 21435), (1020, 18577), (1105, 17148), (1326, 14290), (1429, 13260), (2210, 8574), (2652, 7145), (2858, 6630), (3315, 5716), (4287, 4420)]