17995660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 25549940

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 29, 38, 46, 58, 71, 76, 92, 95, 115, 116, 142, 145, 190, 230, 284, 290, 355, 380, 437, 460, 551, 580, 667, 710, 874, 1102, 1334, 1349, 1420, 1633, 1748, 2059, 2185, 2204, 2668, 2698, 2755, 3266, 3335, 4118, 4370, 5396, 5510, 6532, 6670, 6745, 8165, 8236, 8740, 10295, 11020, 12673, 13340, 13490, 16330, 20590, 25346, 26980, 31027, 32660, 39121, 41180, 47357, 50692, 62054, 63365, 78242, 94714, 124108, 126730, 155135, 156484, 189428, 195605, 236785, 253460, 310270, 391210, 473570, 620540, 782420, 899783, 947140, 1799566, 3599132, 4498915, 8997830, 17995660]

約数ペア:

[(1, 17995660), (2, 8997830), (4, 4498915), (5, 3599132), (10, 1799566), (19, 947140), (20, 899783), (23, 782420), (29, 620540), (38, 473570), (46, 391210), (58, 310270), (71, 253460), (76, 236785), (92, 195605), (95, 189428), (115, 156484), (116, 155135), (142, 126730), (145, 124108), (190, 94714), (230, 78242), (284, 63365), (290, 62054), (355, 50692), (380, 47357), (437, 41180), (460, 39121), (551, 32660), (580, 31027), (667, 26980), (710, 25346), (874, 20590), (1102, 16330), (1334, 13490), (1349, 13340), (1420, 12673), (1633, 11020), (1748, 10295), (2059, 8740), (2185, 8236), (2204, 8165), (2668, 6745), (2698, 6670), (2755, 6532), (3266, 5510), (3335, 5396), (4118, 4370)]