18662512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 39854592

約数和(自身を除く): 21192080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 991, 1177, 1712, 1982, 2354, 3964, 4708, 7928, 9416, 10901, 15856, 18832, 21802, 43604, 87208, 106037, 174416, 212074, 424148, 848296, 1166407, 1696592, 2332814, 4665628, 9331256, 18662512]

約数ペア:

[(1, 18662512), (2, 9331256), (4, 4665628), (8, 2332814), (11, 1696592), (16, 1166407), (22, 848296), (44, 424148), (88, 212074), (107, 174416), (176, 106037), (214, 87208), (428, 43604), (856, 21802), (991, 18832), (1177, 15856), (1712, 10901), (1982, 9416), (2354, 7928), (3964, 4708)]