18433642520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2447}}^1\times {\mathrm{4007}}^1$

素因数の和:6512

約数の個数: 64

約数和(自身を含む): 42386042880

約数和(自身を除く): 23952400360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2447, 4007, 4894, 8014, 9788, 12235, 16028, 19576, 20035, 24470, 32056, 40070, 48940, 80140, 97880, 115009, 160280, 188329, 230018, 376658, 460036, 575045, 753316, 920072, 941645, 1150090, 1506632, 1883290, 2300180, 3766580, 4600360, 7533160, 9805129, 19610258, 39220516, 49025645, 78441032, 98051290, 196102580, 392205160, 460841063, 921682126, 1843364252, 2304205315, 3686728504, 4608410630, 9216821260, 18433642520]

約数ペア:

[(1, 18433642520), (2, 9216821260), (4, 4608410630), (5, 3686728504), (8, 2304205315), (10, 1843364252), (20, 921682126), (40, 460841063), (47, 392205160), (94, 196102580), (188, 98051290), (235, 78441032), (376, 49025645), (470, 39220516), (940, 19610258), (1880, 9805129), (2447, 7533160), (4007, 4600360), (4894, 3766580), (8014, 2300180), (9788, 1883290), (12235, 1506632), (16028, 1150090), (19576, 941645), (20035, 920072), (24470, 753316), (32056, 575045), (40070, 460036), (48940, 376658), (80140, 230018), (97880, 188329), (115009, 160280)]