1909193520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{611921}}^1$

素因数の和:611950

約数の個数: 80

約数和(自身を含む): 6373779552

約数和(自身を除く): 4464586032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 611921, 1223842, 1835763, 2447684, 3059605, 3671526, 4895368, 6119210, 7343052, 7954973, 9178815, 9790736, 12238420, 14686104, 15909946, 18357630, 23864919, 24476840, 29372208, 31819892, 36715260, 39774865, 47729838, 48953680, 63639784, 73430520, 79549730, 95459676, 119324595, 127279568, 146861040, 159099460, 190919352, 238649190, 318198920, 381838704, 477298380, 636397840, 954596760, 1909193520]

約数ペア:

[(1, 1909193520), (2, 954596760), (3, 636397840), (4, 477298380), (5, 381838704), (6, 318198920), (8, 238649190), (10, 190919352), (12, 159099460), (13, 146861040), (15, 127279568), (16, 119324595), (20, 95459676), (24, 79549730), (26, 73430520), (30, 63639784), (39, 48953680), (40, 47729838), (48, 39774865), (52, 36715260), (60, 31819892), (65, 29372208), (78, 24476840), (80, 23864919), (104, 18357630), (120, 15909946), (130, 14686104), (156, 12238420), (195, 9790736), (208, 9178815), (240, 7954973), (260, 7343052), (312, 6119210), (390, 4895368), (520, 3671526), (624, 3059605), (780, 2447684), (1040, 1835763), (1560, 1223842), (3120, 611921)]