19005235288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{72031}}^1$

素因数の和:72152

約数の個数: 64

約数和(自身を含む): 39934540800

約数和(自身を除く): 20929305512

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 118, 172, 236, 344, 472, 559, 767, 1118, 1534, 2236, 2537, 3068, 4472, 5074, 6136, 10148, 20296, 32981, 65962, 72031, 131924, 144062, 263848, 288124, 576248, 936403, 1872806, 3097333, 3745612, 4249829, 6194666, 7491224, 8499658, 12389332, 16999316, 24778664, 33998632, 40265329, 55247777, 80530658, 110495554, 161061316, 182742647, 220991108, 322122632, 365485294, 441982216, 730970588, 1461941176, 2375654411, 4751308822, 9502617644, 19005235288]

約数ペア:

[(1, 19005235288), (2, 9502617644), (4, 4751308822), (8, 2375654411), (13, 1461941176), (26, 730970588), (43, 441982216), (52, 365485294), (59, 322122632), (86, 220991108), (104, 182742647), (118, 161061316), (172, 110495554), (236, 80530658), (344, 55247777), (472, 40265329), (559, 33998632), (767, 24778664), (1118, 16999316), (1534, 12389332), (2236, 8499658), (2537, 7491224), (3068, 6194666), (4472, 4249829), (5074, 3745612), (6136, 3097333), (10148, 1872806), (20296, 936403), (32981, 576248), (65962, 288124), (72031, 263848), (131924, 144062)]