18705336

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 32097864

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 167, 312, 334, 359, 501, 668, 718, 1002, 1077, 1336, 1436, 2004, 2154, 2171, 2872, 4008, 4308, 4342, 4667, 6513, 8616, 8684, 9334, 13026, 14001, 17368, 18668, 26052, 28002, 37336, 52104, 56004, 59953, 112008, 119906, 179859, 239812, 359718, 479624, 719436, 779389, 1438872, 1558778, 2338167, 3117556, 4676334, 6235112, 9352668, 18705336]

約数ペア:

[(1, 18705336), (2, 9352668), (3, 6235112), (4, 4676334), (6, 3117556), (8, 2338167), (12, 1558778), (13, 1438872), (24, 779389), (26, 719436), (39, 479624), (52, 359718), (78, 239812), (104, 179859), (156, 119906), (167, 112008), (312, 59953), (334, 56004), (359, 52104), (501, 37336), (668, 28002), (718, 26052), (1002, 18668), (1077, 17368), (1336, 14001), (1436, 13026), (2004, 9334), (2154, 8684), (2171, 8616), (2872, 6513), (4008, 4667), (4308, 4342)]