19916718952

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{1133177}}^1$

素因数の和:1133222

約数の個数: 32

約数和(自身を含む): 40454454600

約数和(自身を除く): 20537735648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 2197, 4394, 8788, 17576, 1133177, 2266354, 4532708, 9065416, 14731301, 29462602, 58925204, 117850408, 191506913, 383013826, 766027652, 1532055304, 2489589869, 4979179738, 9958359476, 19916718952]

約数ペア:

[(1, 19916718952), (2, 9958359476), (4, 4979179738), (8, 2489589869), (13, 1532055304), (26, 766027652), (52, 383013826), (104, 191506913), (169, 117850408), (338, 58925204), (676, 29462602), (1352, 14731301), (2197, 9065416), (4394, 4532708), (8788, 2266354), (17576, 1133177)]