18303560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1$

素因数の和:2486

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 29285560

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2447, 3740, 4894, 7480, 9788, 12235, 19576, 24470, 26917, 41599, 48940, 53834, 83198, 97880, 107668, 134585, 166396, 207995, 215336, 269170, 332792, 415990, 457589, 538340, 831980, 915178, 1076680, 1663960, 1830356, 2287945, 3660712, 4575890, 9151780, 18303560]

約数ペア:

[(1, 18303560), (2, 9151780), (4, 4575890), (5, 3660712), (8, 2287945), (10, 1830356), (11, 1663960), (17, 1076680), (20, 915178), (22, 831980), (34, 538340), (40, 457589), (44, 415990), (55, 332792), (68, 269170), (85, 215336), (88, 207995), (110, 166396), (136, 134585), (170, 107668), (187, 97880), (220, 83198), (340, 53834), (374, 48940), (440, 41599), (680, 26917), (748, 24470), (935, 19576), (1496, 12235), (1870, 9788), (2447, 7480), (3740, 4894)]