18533944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 43273440

約数和(自身を除く): 24739496

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 34, 44, 52, 68, 88, 104, 136, 143, 187, 221, 286, 374, 442, 572, 748, 884, 953, 1144, 1496, 1768, 1906, 2431, 3812, 4862, 7624, 9724, 10483, 12389, 16201, 19448, 20966, 24778, 32402, 41932, 49556, 64804, 83864, 99112, 129608, 136279, 178211, 210613, 272558, 356422, 421226, 545116, 712844, 842452, 1090232, 1425688, 1684904, 2316743, 4633486, 9266972, 18533944]

約数ペア:

[(1, 18533944), (2, 9266972), (4, 4633486), (8, 2316743), (11, 1684904), (13, 1425688), (17, 1090232), (22, 842452), (26, 712844), (34, 545116), (44, 421226), (52, 356422), (68, 272558), (88, 210613), (104, 178211), (136, 136279), (143, 129608), (187, 99112), (221, 83864), (286, 64804), (374, 49556), (442, 41932), (572, 32402), (748, 24778), (884, 20966), (953, 19448), (1144, 16201), (1496, 12389), (1768, 10483), (1906, 9724), (2431, 7624), (3812, 4862)]