18662380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2130

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 25155380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2069, 2255, 4138, 4510, 8276, 9020, 10345, 20690, 22759, 41380, 45518, 84829, 91036, 113795, 169658, 227590, 339316, 424145, 455180, 848290, 933119, 1696580, 1866238, 3732476, 4665595, 9331190, 18662380]

約数ペア:

[(1, 18662380), (2, 9331190), (4, 4665595), (5, 3732476), (10, 1866238), (11, 1696580), (20, 933119), (22, 848290), (41, 455180), (44, 424145), (55, 339316), (82, 227590), (110, 169658), (164, 113795), (205, 91036), (220, 84829), (410, 45518), (451, 41380), (820, 22759), (902, 20690), (1804, 10345), (2069, 9020), (2255, 8276), (4138, 4510)]