18546736

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^3$

素因数の和:91

約数の個数: 60

約数和(自身を含む): 41072520

約数和(自身を除く): 22525784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 361, 494, 676, 722, 988, 1352, 1444, 1976, 2704, 2888, 3211, 3952, 4693, 5776, 6422, 6859, 9386, 12844, 13718, 18772, 25688, 27436, 37544, 51376, 54872, 61009, 75088, 89167, 109744, 122018, 178334, 244036, 356668, 488072, 713336, 976144, 1159171, 1426672, 2318342, 4636684, 9273368, 18546736]

約数ペア:

[(1, 18546736), (2, 9273368), (4, 4636684), (8, 2318342), (13, 1426672), (16, 1159171), (19, 976144), (26, 713336), (38, 488072), (52, 356668), (76, 244036), (104, 178334), (152, 122018), (169, 109744), (208, 89167), (247, 75088), (304, 61009), (338, 54872), (361, 51376), (494, 37544), (676, 27436), (722, 25688), (988, 18772), (1352, 13718), (1444, 12844), (1976, 9386), (2704, 6859), (2888, 6422), (3211, 5776), (3952, 4693)]