18829525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 28748160

約数和(自身を除く): 9918635

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 229, 253, 275, 299, 325, 575, 715, 1145, 1265, 1495, 2519, 2977, 3289, 3575, 5267, 5725, 6325, 7475, 12595, 14885, 16445, 26335, 32747, 57937, 62975, 68471, 74425, 82225, 131675, 163735, 289685, 342355, 753181, 818675, 1448425, 1711775, 3765905, 18829525]

約数ペア:

[(1, 18829525), (5, 3765905), (11, 1711775), (13, 1448425), (23, 818675), (25, 753181), (55, 342355), (65, 289685), (115, 163735), (143, 131675), (229, 82225), (253, 74425), (275, 68471), (299, 62975), (325, 57937), (575, 32747), (715, 26335), (1145, 16445), (1265, 14885), (1495, 12595), (2519, 7475), (2977, 6325), (3289, 5725), (3575, 5267)]