18868480

素因数分解:

$2^8\times 5^1\times {\mathrm{14741}}^1$

素因数の和:14762

約数の個数: 36

約数和(自身を含む): 45198972

約数和(自身を除く): 26330492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14741, 29482, 58964, 73705, 117928, 147410, 235856, 294820, 471712, 589640, 943424, 1179280, 1886848, 2358560, 3773696, 4717120, 9434240, 18868480]

約数ペア:

[(1, 18868480), (2, 9434240), (4, 4717120), (5, 3773696), (8, 2358560), (10, 1886848), (16, 1179280), (20, 943424), (32, 589640), (40, 471712), (64, 294820), (80, 235856), (128, 147410), (160, 117928), (256, 73705), (320, 58964), (640, 29482), (1280, 14741)]