16857940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 42134400

約数和(自身を除く): 25276460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 109, 110, 148, 185, 190, 209, 218, 220, 370, 380, 407, 418, 436, 545, 703, 740, 814, 836, 1045, 1090, 1199, 1406, 1628, 2035, 2071, 2090, 2180, 2398, 2812, 3515, 4033, 4070, 4142, 4180, 4796, 5995, 7030, 7733, 8066, 8140, 8284, 10355, 11990, 14060, 15466, 16132, 20165, 20710, 22781, 23980, 30932, 38665, 40330, 41420, 44363, 45562, 76627, 77330, 80660, 88726, 91124, 113905, 153254, 154660, 177452, 221815, 227810, 306508, 383135, 443630, 455620, 766270, 842897, 887260, 1532540, 1685794, 3371588, 4214485, 8428970, 16857940]

約数ペア:

[(1, 16857940), (2, 8428970), (4, 4214485), (5, 3371588), (10, 1685794), (11, 1532540), (19, 887260), (20, 842897), (22, 766270), (37, 455620), (38, 443630), (44, 383135), (55, 306508), (74, 227810), (76, 221815), (95, 177452), (109, 154660), (110, 153254), (148, 113905), (185, 91124), (190, 88726), (209, 80660), (218, 77330), (220, 76627), (370, 45562), (380, 44363), (407, 41420), (418, 40330), (436, 38665), (545, 30932), (703, 23980), (740, 22781), (814, 20710), (836, 20165), (1045, 16132), (1090, 15466), (1199, 14060), (1406, 11990), (1628, 10355), (2035, 8284), (2071, 8140), (2090, 8066), (2180, 7733), (2398, 7030), (2812, 5995), (3515, 4796), (4033, 4180), (4070, 4142)]