18220605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 33530112

約数和(自身を除く): 15309507

約数列:

[1, 3, 5, 13, 15, 39, 41, 43, 53, 65, 123, 129, 159, 195, 205, 215, 265, 533, 559, 615, 645, 689, 795, 1599, 1677, 1763, 2067, 2173, 2279, 2665, 2795, 3445, 5289, 6519, 6837, 7995, 8385, 8815, 10335, 10865, 11395, 22919, 26445, 28249, 29627, 32595, 34185, 68757, 84747, 88881, 93439, 114595, 141245, 148135, 280317, 343785, 423735, 444405, 467195, 1214707, 1401585, 3644121, 6073535, 18220605]

約数ペア:

[(1, 18220605), (3, 6073535), (5, 3644121), (13, 1401585), (15, 1214707), (39, 467195), (41, 444405), (43, 423735), (53, 343785), (65, 280317), (123, 148135), (129, 141245), (159, 114595), (195, 93439), (205, 88881), (215, 84747), (265, 68757), (533, 34185), (559, 32595), (615, 29627), (645, 28249), (689, 26445), (795, 22919), (1599, 11395), (1677, 10865), (1763, 10335), (2067, 8815), (2173, 8385), (2279, 7995), (2665, 6837), (2795, 6519), (3445, 5289)]