16805690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 37920960

約数和(自身を除く): 21115270

約数列:

[1, 2, 5, 10, 11, 17, 19, 22, 34, 38, 43, 55, 85, 86, 95, 110, 121, 170, 187, 190, 209, 215, 242, 323, 374, 418, 430, 473, 605, 646, 731, 817, 935, 946, 1045, 1210, 1462, 1615, 1634, 1870, 2057, 2090, 2299, 2365, 3230, 3553, 3655, 4085, 4114, 4598, 4730, 5203, 7106, 7310, 8041, 8170, 8987, 10285, 10406, 11495, 13889, 16082, 17765, 17974, 20570, 22990, 26015, 27778, 35530, 39083, 40205, 44935, 52030, 69445, 78166, 80410, 88451, 89870, 98857, 138890, 152779, 176902, 195415, 197714, 305558, 390830, 442255, 494285, 763895, 884510, 988570, 1527790, 1680569, 3361138, 8402845, 16805690]

約数ペア:

[(1, 16805690), (2, 8402845), (5, 3361138), (10, 1680569), (11, 1527790), (17, 988570), (19, 884510), (22, 763895), (34, 494285), (38, 442255), (43, 390830), (55, 305558), (85, 197714), (86, 195415), (95, 176902), (110, 152779), (121, 138890), (170, 98857), (187, 89870), (190, 88451), (209, 80410), (215, 78166), (242, 69445), (323, 52030), (374, 44935), (418, 40205), (430, 39083), (473, 35530), (605, 27778), (646, 26015), (731, 22990), (817, 20570), (935, 17974), (946, 17765), (1045, 16082), (1210, 13889), (1462, 11495), (1615, 10406), (1634, 10285), (1870, 8987), (2057, 8170), (2090, 8041), (2299, 7310), (2365, 7106), (3230, 5203), (3553, 4730), (3655, 4598), (4085, 4114)]