19376800

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:530

約数の個数: 72

約数和(自身を含む): 48301596

約数和(自身を除く): 28924796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 457, 530, 800, 848, 914, 1060, 1325, 1696, 1828, 2120, 2285, 2650, 3656, 4240, 4570, 5300, 7312, 8480, 9140, 10600, 11425, 14624, 18280, 21200, 22850, 24221, 36560, 42400, 45700, 48442, 73120, 91400, 96884, 121105, 182800, 193768, 242210, 365600, 387536, 484420, 605525, 775072, 968840, 1211050, 1937680, 2422100, 3875360, 4844200, 9688400, 19376800]

約数ペア:

[(1, 19376800), (2, 9688400), (4, 4844200), (5, 3875360), (8, 2422100), (10, 1937680), (16, 1211050), (20, 968840), (25, 775072), (32, 605525), (40, 484420), (50, 387536), (53, 365600), (80, 242210), (100, 193768), (106, 182800), (160, 121105), (200, 96884), (212, 91400), (265, 73120), (400, 48442), (424, 45700), (457, 42400), (530, 36560), (800, 24221), (848, 22850), (914, 21200), (1060, 18280), (1325, 14624), (1696, 11425), (1828, 10600), (2120, 9140), (2285, 8480), (2650, 7312), (3656, 5300), (4240, 4570)]