19489600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{937}}^1$

素因数の和:972

約数の個数: 84

約数和(自身を含む): 51700684

約数和(自身を除く): 32211084

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 937, 1040, 1300, 1600, 1874, 2080, 2600, 3748, 4160, 4685, 5200, 7496, 9370, 10400, 12181, 14992, 18740, 20800, 23425, 24362, 29984, 37480, 46850, 48724, 59968, 60905, 74960, 93700, 97448, 121810, 149920, 187400, 194896, 243620, 299840, 304525, 374800, 389792, 487240, 609050, 749600, 779584, 974480, 1218100, 1499200, 1948960, 2436200, 3897920, 4872400, 9744800, 19489600]

約数ペア:

[(1, 19489600), (2, 9744800), (4, 4872400), (5, 3897920), (8, 2436200), (10, 1948960), (13, 1499200), (16, 1218100), (20, 974480), (25, 779584), (26, 749600), (32, 609050), (40, 487240), (50, 389792), (52, 374800), (64, 304525), (65, 299840), (80, 243620), (100, 194896), (104, 187400), (130, 149920), (160, 121810), (200, 97448), (208, 93700), (260, 74960), (320, 60905), (325, 59968), (400, 48724), (416, 46850), (520, 37480), (650, 29984), (800, 24362), (832, 23425), (937, 20800), (1040, 18740), (1300, 14992), (1600, 12181), (1874, 10400), (2080, 9370), (2600, 7496), (3748, 5200), (4160, 4685)]