18770290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1327

約数の個数: 64

約数和(自身を含む): 44375040

約数和(自身を除く): 25604750

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1283, 1330, 1463, 2090, 2566, 2926, 6415, 7315, 8981, 12830, 14113, 14630, 17962, 24377, 28226, 44905, 48754, 70565, 89810, 98791, 121885, 141130, 170639, 197582, 243770, 268147, 341278, 493955, 536294, 853195, 987910, 1340735, 1706390, 1877029, 2681470, 3754058, 9385145, 18770290]

約数ペア:

[(1, 18770290), (2, 9385145), (5, 3754058), (7, 2681470), (10, 1877029), (11, 1706390), (14, 1340735), (19, 987910), (22, 853195), (35, 536294), (38, 493955), (55, 341278), (70, 268147), (77, 243770), (95, 197582), (110, 170639), (133, 141130), (154, 121885), (190, 98791), (209, 89810), (266, 70565), (385, 48754), (418, 44905), (665, 28226), (770, 24377), (1045, 17962), (1283, 14630), (1330, 14113), (1463, 12830), (2090, 8981), (2566, 7315), (2926, 6415)]