18698504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 23291896

約数列:

[1, 2, 4, 8, 11, 17, 22, 29, 34, 44, 58, 68, 88, 116, 136, 187, 232, 319, 374, 431, 493, 638, 748, 862, 986, 1276, 1496, 1724, 1972, 2552, 3448, 3944, 4741, 5423, 7327, 9482, 10846, 12499, 14654, 18964, 21692, 24998, 29308, 37928, 43384, 49996, 58616, 80597, 99992, 137489, 161194, 212483, 274978, 322388, 424966, 549956, 644776, 849932, 1099912, 1699864, 2337313, 4674626, 9349252, 18698504]

約数ペア:

[(1, 18698504), (2, 9349252), (4, 4674626), (8, 2337313), (11, 1699864), (17, 1099912), (22, 849932), (29, 644776), (34, 549956), (44, 424966), (58, 322388), (68, 274978), (88, 212483), (116, 161194), (136, 137489), (187, 99992), (232, 80597), (319, 58616), (374, 49996), (431, 43384), (493, 37928), (638, 29308), (748, 24998), (862, 21692), (986, 18964), (1276, 14654), (1496, 12499), (1724, 10846), (1972, 9482), (2552, 7327), (3448, 5423), (3944, 4741)]