18731936

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 39771648

約数和(自身を除く): 21039712

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 92, 124, 184, 248, 368, 496, 713, 736, 821, 992, 1426, 1642, 2852, 3284, 5704, 6568, 11408, 13136, 18883, 22816, 25451, 26272, 37766, 50902, 75532, 101804, 151064, 203608, 302128, 407216, 585373, 604256, 814432, 1170746, 2341492, 4682984, 9365968, 18731936]

約数ペア:

[(1, 18731936), (2, 9365968), (4, 4682984), (8, 2341492), (16, 1170746), (23, 814432), (31, 604256), (32, 585373), (46, 407216), (62, 302128), (92, 203608), (124, 151064), (184, 101804), (248, 75532), (368, 50902), (496, 37766), (713, 26272), (736, 25451), (821, 22816), (992, 18883), (1426, 13136), (1642, 11408), (2852, 6568), (3284, 5704)]