18459760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1907}}^1$

素因数の和:1942

約数の個数: 60

約数和(自身を含む): 47200104

約数和(自身を除く): 28740344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1907, 1936, 2420, 3814, 4840, 7628, 9535, 9680, 15256, 19070, 20977, 30512, 38140, 41954, 76280, 83908, 104885, 152560, 167816, 209770, 230747, 335632, 419540, 461494, 839080, 922988, 1153735, 1678160, 1845976, 2307470, 3691952, 4614940, 9229880, 18459760]

約数ペア:

[(1, 18459760), (2, 9229880), (4, 4614940), (5, 3691952), (8, 2307470), (10, 1845976), (11, 1678160), (16, 1153735), (20, 922988), (22, 839080), (40, 461494), (44, 419540), (55, 335632), (80, 230747), (88, 209770), (110, 167816), (121, 152560), (176, 104885), (220, 83908), (242, 76280), (440, 41954), (484, 38140), (605, 30512), (880, 20977), (968, 19070), (1210, 15256), (1907, 9680), (1936, 9535), (2420, 7628), (3814, 4840)]