19793576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 43623360

約数和(自身を除く): 23829784

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 101, 131, 136, 187, 202, 262, 374, 404, 524, 748, 808, 1048, 1111, 1441, 1496, 1717, 2222, 2227, 2882, 3434, 4444, 4454, 5764, 6868, 8888, 8908, 11528, 13231, 13736, 17816, 18887, 24497, 26462, 37774, 48994, 52924, 75548, 97988, 105848, 145541, 151096, 195976, 224927, 291082, 449854, 582164, 899708, 1164328, 1799416, 2474197, 4948394, 9896788, 19793576]

約数ペア:

[(1, 19793576), (2, 9896788), (4, 4948394), (8, 2474197), (11, 1799416), (17, 1164328), (22, 899708), (34, 582164), (44, 449854), (68, 291082), (88, 224927), (101, 195976), (131, 151096), (136, 145541), (187, 105848), (202, 97988), (262, 75548), (374, 52924), (404, 48994), (524, 37774), (748, 26462), (808, 24497), (1048, 18887), (1111, 17816), (1441, 13736), (1496, 13231), (1717, 11528), (2222, 8908), (2227, 8888), (2882, 6868), (3434, 5764), (4444, 4454)]