17881604495

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 23130866304

約数和(自身を除く): 5249261809

約数列:

[1, 5, 23, 41, 115, 181, 205, 529, 905, 911, 943, 2645, 4163, 4555, 4715, 7421, 20815, 20953, 21689, 37105, 37351, 95749, 104765, 108445, 164891, 170683, 186755, 478745, 481919, 824455, 853415, 859073, 2409595, 3792493, 3925709, 4295365, 6760531, 18962465, 19628545, 19758679, 33802655, 87227339, 98793395, 155492213, 436136695, 777461065, 3576320899, 17881604495]

約数ペア:

[(1, 17881604495), (5, 3576320899), (23, 777461065), (41, 436136695), (115, 155492213), (181, 98793395), (205, 87227339), (529, 33802655), (905, 19758679), (911, 19628545), (943, 18962465), (2645, 6760531), (4163, 4295365), (4555, 3925709), (4715, 3792493), (7421, 2409595), (20815, 859073), (20953, 853415), (21689, 824455), (37105, 481919), (37351, 478745), (95749, 186755), (104765, 170683), (108445, 164891)]