18976020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45181}}^1$

素因数の和:45200

約数の個数: 48

約数和(自身を含む): 60724608

約数和(自身を除く): 41748588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45181, 90362, 135543, 180724, 225905, 271086, 316267, 451810, 542172, 632534, 677715, 903620, 948801, 1265068, 1355430, 1581335, 1897602, 2710860, 3162670, 3795204, 4744005, 6325340, 9488010, 18976020]

約数ペア:

[(1, 18976020), (2, 9488010), (3, 6325340), (4, 4744005), (5, 3795204), (6, 3162670), (7, 2710860), (10, 1897602), (12, 1581335), (14, 1355430), (15, 1265068), (20, 948801), (21, 903620), (28, 677715), (30, 632534), (35, 542172), (42, 451810), (60, 316267), (70, 271086), (84, 225905), (105, 180724), (140, 135543), (210, 90362), (420, 45181)]