19560710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 41150592

約数和(自身を除く): 21589882

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 167, 170, 221, 265, 334, 442, 530, 689, 835, 901, 1105, 1378, 1670, 1802, 2171, 2210, 2839, 3445, 4342, 4505, 5678, 6890, 8851, 9010, 10855, 11713, 14195, 17702, 21710, 23426, 28390, 36907, 44255, 58565, 73814, 88510, 115063, 117130, 150467, 184535, 230126, 300934, 369070, 575315, 752335, 1150630, 1504670, 1956071, 3912142, 9780355, 19560710]

約数ペア:

[(1, 19560710), (2, 9780355), (5, 3912142), (10, 1956071), (13, 1504670), (17, 1150630), (26, 752335), (34, 575315), (53, 369070), (65, 300934), (85, 230126), (106, 184535), (130, 150467), (167, 117130), (170, 115063), (221, 88510), (265, 73814), (334, 58565), (442, 44255), (530, 36907), (689, 28390), (835, 23426), (901, 21710), (1105, 17702), (1378, 14195), (1670, 11713), (1802, 10855), (2171, 9010), (2210, 8851), (2839, 6890), (3445, 5678), (4342, 4505)]