18587680

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5051}}^1$

素因数の和:5089

約数の個数: 48

約数和(自身を含む): 45831744

約数和(自身を除く): 27244064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5051, 10102, 20204, 25255, 40408, 50510, 80816, 101020, 116173, 161632, 202040, 232346, 404080, 464692, 580865, 808160, 929384, 1161730, 1858768, 2323460, 3717536, 4646920, 9293840, 18587680]

約数ペア:

[(1, 18587680), (2, 9293840), (4, 4646920), (5, 3717536), (8, 2323460), (10, 1858768), (16, 1161730), (20, 929384), (23, 808160), (32, 580865), (40, 464692), (46, 404080), (80, 232346), (92, 202040), (115, 161632), (160, 116173), (184, 101020), (230, 80816), (368, 50510), (460, 40408), (736, 25255), (920, 20204), (1840, 10102), (3680, 5051)]