19178520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2251}}^1$

素因数の和:2336

約数の個数: 64

約数和(自身を含む): 58371840

約数和(自身を除く): 39193320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2251, 2840, 4260, 4502, 6753, 8520, 9004, 11255, 13506, 18008, 22510, 27012, 33765, 45020, 54024, 67530, 90040, 135060, 159821, 270120, 319642, 479463, 639284, 799105, 958926, 1278568, 1598210, 1917852, 2397315, 3196420, 3835704, 4794630, 6392840, 9589260, 19178520]

約数ペア:

[(1, 19178520), (2, 9589260), (3, 6392840), (4, 4794630), (5, 3835704), (6, 3196420), (8, 2397315), (10, 1917852), (12, 1598210), (15, 1278568), (20, 958926), (24, 799105), (30, 639284), (40, 479463), (60, 319642), (71, 270120), (120, 159821), (142, 135060), (213, 90040), (284, 67530), (355, 54024), (426, 45020), (568, 33765), (710, 27012), (852, 22510), (1065, 18008), (1420, 13506), (1704, 11255), (2130, 9004), (2251, 8520), (2840, 6753), (4260, 4502)]