18865431335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1237}}^1$

素因数の和:1580

約数の個数: 64

約数和(自身を含む): 25992057600

約数和(自身を除く): 7126626265

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 269, 391, 493, 667, 1237, 1345, 1955, 2465, 3335, 4573, 6185, 6187, 7801, 11339, 21029, 22865, 28451, 30935, 35873, 39005, 56695, 105145, 105179, 132617, 142255, 179365, 179423, 332753, 483667, 525895, 609841, 663085, 825079, 897115, 1663765, 2418335, 3049205, 3050191, 4125395, 5656801, 7653319, 9649837, 14026343, 15250955, 28284005, 38266595, 48249185, 70131715, 130106423, 164047229, 221946251, 650532115, 820236145, 1109731255, 3773086267, 18865431335]

約数ペア:

[(1, 18865431335), (5, 3773086267), (17, 1109731255), (23, 820236145), (29, 650532115), (85, 221946251), (115, 164047229), (145, 130106423), (269, 70131715), (391, 48249185), (493, 38266595), (667, 28284005), (1237, 15250955), (1345, 14026343), (1955, 9649837), (2465, 7653319), (3335, 5656801), (4573, 4125395), (6185, 3050191), (6187, 3049205), (7801, 2418335), (11339, 1663765), (21029, 897115), (22865, 825079), (28451, 663085), (30935, 609841), (35873, 525895), (39005, 483667), (56695, 332753), (105145, 179423), (105179, 179365), (132617, 142255)]