19476680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 26488120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 139, 155, 226, 248, 278, 310, 452, 556, 565, 620, 695, 904, 1112, 1130, 1240, 1390, 2260, 2780, 3503, 4309, 4520, 5560, 7006, 8618, 14012, 15707, 17236, 17515, 21545, 28024, 31414, 34472, 35030, 43090, 62828, 70060, 78535, 86180, 125656, 140120, 157070, 172360, 314140, 486917, 628280, 973834, 1947668, 2434585, 3895336, 4869170, 9738340, 19476680]

約数ペア:

[(1, 19476680), (2, 9738340), (4, 4869170), (5, 3895336), (8, 2434585), (10, 1947668), (20, 973834), (31, 628280), (40, 486917), (62, 314140), (113, 172360), (124, 157070), (139, 140120), (155, 125656), (226, 86180), (248, 78535), (278, 70060), (310, 62828), (452, 43090), (556, 35030), (565, 34472), (620, 31414), (695, 28024), (904, 21545), (1112, 17515), (1130, 17236), (1240, 15707), (1390, 14012), (2260, 8618), (2780, 7006), (3503, 5560), (4309, 4520)]