19999536

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11261}}^1$

素因数の和:11309

約数の個数: 40

約数和(自身を含む): 53066544

約数和(自身を除く): 33067008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11261, 22522, 33783, 45044, 67566, 90088, 135132, 180176, 270264, 416657, 540528, 833314, 1249971, 1666628, 2499942, 3333256, 4999884, 6666512, 9999768, 19999536]

約数ペア:

[(1, 19999536), (2, 9999768), (3, 6666512), (4, 4999884), (6, 3333256), (8, 2499942), (12, 1666628), (16, 1249971), (24, 833314), (37, 540528), (48, 416657), (74, 270264), (111, 180176), (148, 135132), (222, 90088), (296, 67566), (444, 45044), (592, 33783), (888, 22522), (1776, 11261)]