19815816

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 32283384

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 71, 87, 116, 142, 174, 213, 232, 284, 348, 401, 426, 568, 696, 802, 852, 1203, 1604, 1704, 2059, 2406, 3208, 4118, 4812, 6177, 8236, 9624, 11629, 12354, 16472, 23258, 24708, 28471, 34887, 46516, 49416, 56942, 69774, 85413, 93032, 113884, 139548, 170826, 227768, 279096, 341652, 683304, 825659, 1651318, 2476977, 3302636, 4953954, 6605272, 9907908, 19815816]

約数ペア:

[(1, 19815816), (2, 9907908), (3, 6605272), (4, 4953954), (6, 3302636), (8, 2476977), (12, 1651318), (24, 825659), (29, 683304), (58, 341652), (71, 279096), (87, 227768), (116, 170826), (142, 139548), (174, 113884), (213, 93032), (232, 85413), (284, 69774), (348, 56942), (401, 49416), (426, 46516), (568, 34887), (696, 28471), (802, 24708), (852, 23258), (1203, 16472), (1604, 12354), (1704, 11629), (2059, 9624), (2406, 8236), (3208, 6177), (4118, 4812)]