18698292

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 49585536

約数和(自身を除く): 30887244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 257, 258, 282, 387, 423, 514, 516, 564, 771, 774, 846, 1028, 1542, 1548, 1692, 2021, 2313, 3084, 4042, 4626, 6063, 8084, 9252, 11051, 12079, 12126, 18189, 22102, 24158, 24252, 33153, 36237, 36378, 44204, 48316, 66306, 72474, 72756, 99459, 108711, 132612, 144948, 198918, 217422, 397836, 434844, 519397, 1038794, 1558191, 2077588, 3116382, 4674573, 6232764, 9349146, 18698292]

約数ペア:

[(1, 18698292), (2, 9349146), (3, 6232764), (4, 4674573), (6, 3116382), (9, 2077588), (12, 1558191), (18, 1038794), (36, 519397), (43, 434844), (47, 397836), (86, 217422), (94, 198918), (129, 144948), (141, 132612), (172, 108711), (188, 99459), (257, 72756), (258, 72474), (282, 66306), (387, 48316), (423, 44204), (514, 36378), (516, 36237), (564, 33153), (771, 24252), (774, 24158), (846, 22102), (1028, 18189), (1542, 12126), (1548, 12079), (1692, 11051), (2021, 9252), (2313, 8084), (3084, 6063), (4042, 4626)]