18622448

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 60

約数和(自身を含む): 40028688

約数和(自身を除く): 21406240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 97, 104, 142, 169, 194, 208, 284, 338, 388, 568, 676, 776, 923, 1136, 1261, 1352, 1552, 1846, 2522, 2704, 3692, 5044, 6887, 7384, 10088, 11999, 13774, 14768, 16393, 20176, 23998, 27548, 32786, 47996, 55096, 65572, 89531, 95992, 110192, 131144, 179062, 191984, 262288, 358124, 716248, 1163903, 1432496, 2327806, 4655612, 9311224, 18622448]

約数ペア:

[(1, 18622448), (2, 9311224), (4, 4655612), (8, 2327806), (13, 1432496), (16, 1163903), (26, 716248), (52, 358124), (71, 262288), (97, 191984), (104, 179062), (142, 131144), (169, 110192), (194, 95992), (208, 89531), (284, 65572), (338, 55096), (388, 47996), (568, 32786), (676, 27548), (776, 23998), (923, 20176), (1136, 16393), (1261, 14768), (1352, 13774), (1552, 11999), (1846, 10088), (2522, 7384), (2704, 6887), (3692, 5044)]