18086780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 21213124

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 151, 212, 226, 265, 302, 452, 530, 565, 604, 755, 1060, 1130, 1510, 2260, 3020, 5989, 8003, 11978, 16006, 17063, 23956, 29945, 32012, 34126, 40015, 59890, 68252, 80030, 85315, 119780, 160060, 170630, 341260, 904339, 1808678, 3617356, 4521695, 9043390, 18086780]

約数ペア:

[(1, 18086780), (2, 9043390), (4, 4521695), (5, 3617356), (10, 1808678), (20, 904339), (53, 341260), (106, 170630), (113, 160060), (151, 119780), (212, 85315), (226, 80030), (265, 68252), (302, 59890), (452, 40015), (530, 34126), (565, 32012), (604, 29945), (755, 23956), (1060, 17063), (1130, 16006), (1510, 11978), (2260, 8003), (3020, 5989)]