19373320520

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1\times {\mathrm{6673}}^1$

素因数の和:7266

約数の個数: 64

約数和(自身を含む): 43946688240

約数和(自身を除く): 24573367720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 401, 724, 802, 905, 1448, 1604, 1810, 2005, 3208, 3620, 4010, 6673, 7240, 8020, 13346, 16040, 26692, 33365, 53384, 66730, 72581, 133460, 145162, 266920, 290324, 362905, 580648, 725810, 1207813, 1451620, 2415626, 2675873, 2903240, 4831252, 5351746, 6039065, 9662504, 10703492, 12078130, 13379365, 21406984, 24156260, 26758730, 48312520, 53517460, 107034920, 484333013, 968666026, 1937332052, 2421665065, 3874664104, 4843330130, 9686660260, 19373320520]

約数ペア:

[(1, 19373320520), (2, 9686660260), (4, 4843330130), (5, 3874664104), (8, 2421665065), (10, 1937332052), (20, 968666026), (40, 484333013), (181, 107034920), (362, 53517460), (401, 48312520), (724, 26758730), (802, 24156260), (905, 21406984), (1448, 13379365), (1604, 12078130), (1810, 10703492), (2005, 9662504), (3208, 6039065), (3620, 5351746), (4010, 4831252), (6673, 2903240), (7240, 2675873), (8020, 2415626), (13346, 1451620), (16040, 1207813), (26692, 725810), (33365, 580648), (53384, 362905), (66730, 290324), (72581, 266920), (133460, 145162)]