19395896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 41580000

約数和(自身を除く): 22184104

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 59, 104, 109, 116, 118, 218, 232, 236, 377, 436, 472, 754, 767, 872, 1417, 1508, 1534, 1711, 2834, 3016, 3068, 3161, 3422, 5668, 6136, 6322, 6431, 6844, 11336, 12644, 12862, 13688, 22243, 25288, 25724, 41093, 44486, 51448, 82186, 83603, 88972, 164372, 167206, 177944, 186499, 328744, 334412, 372998, 668824, 745996, 1491992, 2424487, 4848974, 9697948, 19395896]

約数ペア:

[(1, 19395896), (2, 9697948), (4, 4848974), (8, 2424487), (13, 1491992), (26, 745996), (29, 668824), (52, 372998), (58, 334412), (59, 328744), (104, 186499), (109, 177944), (116, 167206), (118, 164372), (218, 88972), (232, 83603), (236, 82186), (377, 51448), (436, 44486), (472, 41093), (754, 25724), (767, 25288), (872, 22243), (1417, 13688), (1508, 12862), (1534, 12644), (1711, 11336), (2834, 6844), (3016, 6431), (3068, 6322), (3161, 6136), (3422, 5668)]