18188960

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 25356640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1439, 1580, 2528, 2878, 3160, 5756, 6320, 7195, 11512, 12640, 14390, 23024, 28780, 46048, 57560, 113681, 115120, 227362, 230240, 454724, 568405, 909448, 1136810, 1818896, 2273620, 3637792, 4547240, 9094480, 18188960]

約数ペア:

[(1, 18188960), (2, 9094480), (4, 4547240), (5, 3637792), (8, 2273620), (10, 1818896), (16, 1136810), (20, 909448), (32, 568405), (40, 454724), (79, 230240), (80, 227362), (158, 115120), (160, 113681), (316, 57560), (395, 46048), (632, 28780), (790, 23024), (1264, 14390), (1439, 12640), (1580, 11512), (2528, 7195), (2878, 6320), (3160, 5756)]