18590440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 29672600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 167, 184, 220, 230, 242, 253, 334, 440, 460, 484, 506, 605, 668, 835, 920, 968, 1012, 1210, 1265, 1336, 1670, 1837, 2024, 2420, 2530, 2783, 3340, 3674, 3841, 4840, 5060, 5566, 6680, 7348, 7682, 9185, 10120, 11132, 13915, 14696, 15364, 18370, 19205, 20207, 22264, 27830, 30728, 36740, 38410, 40414, 42251, 55660, 73480, 76820, 80828, 84502, 101035, 111320, 153640, 161656, 169004, 202070, 211255, 338008, 404140, 422510, 464761, 808280, 845020, 929522, 1690040, 1859044, 2323805, 3718088, 4647610, 9295220, 18590440]

約数ペア:

[(1, 18590440), (2, 9295220), (4, 4647610), (5, 3718088), (8, 2323805), (10, 1859044), (11, 1690040), (20, 929522), (22, 845020), (23, 808280), (40, 464761), (44, 422510), (46, 404140), (55, 338008), (88, 211255), (92, 202070), (110, 169004), (115, 161656), (121, 153640), (167, 111320), (184, 101035), (220, 84502), (230, 80828), (242, 76820), (253, 73480), (334, 55660), (440, 42251), (460, 40414), (484, 38410), (506, 36740), (605, 30728), (668, 27830), (835, 22264), (920, 20207), (968, 19205), (1012, 18370), (1210, 15364), (1265, 14696), (1336, 13915), (1670, 11132), (1837, 10120), (2024, 9185), (2420, 7682), (2530, 7348), (2783, 6680), (3340, 5566), (3674, 5060), (3841, 4840)]