18684190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2281

約数の個数: 48

約数和(自身を含む): 41442192

約数和(自身を除く): 22758002

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 2243, 4165, 4486, 8330, 11215, 15701, 22430, 31402, 38131, 76262, 78505, 109907, 157010, 190655, 219814, 266917, 381310, 533834, 549535, 1099070, 1334585, 1868419, 2669170, 3736838, 9342095, 18684190]

約数ペア:

[(1, 18684190), (2, 9342095), (5, 3736838), (7, 2669170), (10, 1868419), (14, 1334585), (17, 1099070), (34, 549535), (35, 533834), (49, 381310), (70, 266917), (85, 219814), (98, 190655), (119, 157010), (170, 109907), (238, 78505), (245, 76262), (490, 38131), (595, 31402), (833, 22430), (1190, 15701), (1666, 11215), (2243, 8330), (4165, 4486)]