18304455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 15403065

約数列:

[1, 3, 5, 13, 15, 37, 39, 43, 59, 65, 111, 129, 177, 185, 195, 215, 295, 481, 555, 559, 645, 767, 885, 1443, 1591, 1677, 2183, 2301, 2405, 2537, 2795, 3835, 4773, 6549, 7215, 7611, 7955, 8385, 10915, 11505, 12685, 20683, 23865, 28379, 32745, 32981, 38055, 62049, 85137, 93869, 98943, 103415, 141895, 164905, 281607, 310245, 425685, 469345, 494715, 1220297, 1408035, 3660891, 6101485, 18304455]

約数ペア:

[(1, 18304455), (3, 6101485), (5, 3660891), (13, 1408035), (15, 1220297), (37, 494715), (39, 469345), (43, 425685), (59, 310245), (65, 281607), (111, 164905), (129, 141895), (177, 103415), (185, 98943), (195, 93869), (215, 85137), (295, 62049), (481, 38055), (555, 32981), (559, 32745), (645, 28379), (767, 23865), (885, 20683), (1443, 12685), (1591, 11505), (1677, 10915), (2183, 8385), (2301, 7955), (2405, 7611), (2537, 7215), (2795, 6549), (3835, 4773)]