18834075

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 37372608

約数和(自身を除く): 18538533

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 47, 65, 75, 117, 137, 141, 195, 225, 235, 325, 411, 423, 585, 611, 685, 705, 975, 1175, 1233, 1781, 1833, 2055, 2115, 2925, 3055, 3425, 3525, 5343, 5499, 6165, 6439, 8905, 9165, 10275, 10575, 15275, 16029, 19317, 26715, 27495, 30825, 32195, 44525, 45825, 57951, 80145, 83707, 96585, 133575, 137475, 160975, 251121, 289755, 400725, 418535, 482925, 753363, 1255605, 1448775, 2092675, 3766815, 6278025, 18834075]

約数ペア:

[(1, 18834075), (3, 6278025), (5, 3766815), (9, 2092675), (13, 1448775), (15, 1255605), (25, 753363), (39, 482925), (45, 418535), (47, 400725), (65, 289755), (75, 251121), (117, 160975), (137, 137475), (141, 133575), (195, 96585), (225, 83707), (235, 80145), (325, 57951), (411, 45825), (423, 44525), (585, 32195), (611, 30825), (685, 27495), (705, 26715), (975, 19317), (1175, 16029), (1233, 15275), (1781, 10575), (1833, 10275), (2055, 9165), (2115, 8905), (2925, 6439), (3055, 6165), (3425, 5499), (3525, 5343)]