18822636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 54940704

約数和(自身を除く): 36118068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 661, 678, 791, 1017, 1322, 1356, 1582, 1983, 2034, 2373, 2644, 3164, 3966, 4068, 4627, 4746, 5949, 7119, 7932, 9254, 9492, 11898, 13881, 14238, 18508, 23796, 27762, 28476, 41643, 55524, 74693, 83286, 149386, 166572, 224079, 298772, 448158, 522851, 672237, 896316, 1045702, 1344474, 1568553, 2091404, 2688948, 3137106, 4705659, 6274212, 9411318, 18822636]

約数ペア:

[(1, 18822636), (2, 9411318), (3, 6274212), (4, 4705659), (6, 3137106), (7, 2688948), (9, 2091404), (12, 1568553), (14, 1344474), (18, 1045702), (21, 896316), (28, 672237), (36, 522851), (42, 448158), (63, 298772), (84, 224079), (113, 166572), (126, 149386), (226, 83286), (252, 74693), (339, 55524), (452, 41643), (661, 28476), (678, 27762), (791, 23796), (1017, 18508), (1322, 14238), (1356, 13881), (1582, 11898), (1983, 9492), (2034, 9254), (2373, 7932), (2644, 7119), (3164, 5949), (3966, 4746), (4068, 4627)]