18546892

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 42230160

約数和(自身を除く): 23683268

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 49, 52, 58, 91, 98, 116, 182, 196, 203, 251, 364, 377, 406, 502, 637, 754, 812, 1004, 1274, 1421, 1508, 1757, 2548, 2639, 2842, 3263, 3514, 5278, 5684, 6526, 7028, 7279, 10556, 12299, 13052, 14558, 18473, 22841, 24598, 29116, 36946, 45682, 49196, 50953, 73892, 91364, 94627, 101906, 159887, 189254, 203812, 319774, 356671, 378508, 639548, 662389, 713342, 1324778, 1426684, 2649556, 4636723, 9273446, 18546892]

約数ペア:

[(1, 18546892), (2, 9273446), (4, 4636723), (7, 2649556), (13, 1426684), (14, 1324778), (26, 713342), (28, 662389), (29, 639548), (49, 378508), (52, 356671), (58, 319774), (91, 203812), (98, 189254), (116, 159887), (182, 101906), (196, 94627), (203, 91364), (251, 73892), (364, 50953), (377, 49196), (406, 45682), (502, 36946), (637, 29116), (754, 24598), (812, 22841), (1004, 18473), (1274, 14558), (1421, 13052), (1508, 12299), (1757, 10556), (2548, 7279), (2639, 7028), (2842, 6526), (3263, 5684), (3514, 5278)]