18996840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52769}}^1$

素因数の和:52786

約数の個数: 48

約数和(自身を含む): 61740900

約数和(自身を除く): 42744060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52769, 105538, 158307, 211076, 263845, 316614, 422152, 474921, 527690, 633228, 791535, 949842, 1055380, 1266456, 1583070, 1899684, 2110760, 2374605, 3166140, 3799368, 4749210, 6332280, 9498420, 18996840]

約数ペア:

[(1, 18996840), (2, 9498420), (3, 6332280), (4, 4749210), (5, 3799368), (6, 3166140), (8, 2374605), (9, 2110760), (10, 1899684), (12, 1583070), (15, 1266456), (18, 1055380), (20, 949842), (24, 791535), (30, 633228), (36, 527690), (40, 474921), (45, 422152), (60, 316614), (72, 263845), (90, 211076), (120, 158307), (180, 105538), (360, 52769)]