18213160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2243}}^1$

素因数の和:2290

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 30257240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2243, 4060, 4486, 8120, 8972, 11215, 15701, 17944, 22430, 31402, 44860, 62804, 65047, 78505, 89720, 125608, 130094, 157010, 260188, 314020, 325235, 455329, 520376, 628040, 650470, 910658, 1300940, 1821316, 2276645, 2601880, 3642632, 4553290, 9106580, 18213160]

約数ペア:

[(1, 18213160), (2, 9106580), (4, 4553290), (5, 3642632), (7, 2601880), (8, 2276645), (10, 1821316), (14, 1300940), (20, 910658), (28, 650470), (29, 628040), (35, 520376), (40, 455329), (56, 325235), (58, 314020), (70, 260188), (116, 157010), (140, 130094), (145, 125608), (203, 89720), (232, 78505), (280, 65047), (290, 62804), (406, 44860), (580, 31402), (812, 22430), (1015, 17944), (1160, 15701), (1624, 11215), (2030, 8972), (2243, 8120), (4060, 4486)]