19638120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4423}}^1$

素因数の和:4474

約数の個数: 64

約数和(自身を含む): 60520320

約数和(自身を除く): 40882200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4423, 4440, 8846, 13269, 17692, 22115, 26538, 35384, 44230, 53076, 66345, 88460, 106152, 132690, 163651, 176920, 265380, 327302, 490953, 530760, 654604, 818255, 981906, 1309208, 1636510, 1963812, 2454765, 3273020, 3927624, 4909530, 6546040, 9819060, 19638120]

約数ペア:

[(1, 19638120), (2, 9819060), (3, 6546040), (4, 4909530), (5, 3927624), (6, 3273020), (8, 2454765), (10, 1963812), (12, 1636510), (15, 1309208), (20, 981906), (24, 818255), (30, 654604), (37, 530760), (40, 490953), (60, 327302), (74, 265380), (111, 176920), (120, 163651), (148, 132690), (185, 106152), (222, 88460), (296, 66345), (370, 53076), (444, 44230), (555, 35384), (740, 26538), (888, 22115), (1110, 17692), (1480, 13269), (2220, 8846), (4423, 4440)]