18158984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{619}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 36084000

約数和(自身を除く): 17925016

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 619, 772, 1238, 1544, 2476, 3667, 4952, 7334, 11761, 14668, 23522, 29336, 47044, 94088, 119467, 238934, 477868, 955736, 2269873, 4539746, 9079492, 18158984]

約数ペア:

[(1, 18158984), (2, 9079492), (4, 4539746), (8, 2269873), (19, 955736), (38, 477868), (76, 238934), (152, 119467), (193, 94088), (386, 47044), (619, 29336), (772, 23522), (1238, 14668), (1544, 11761), (2476, 7334), (3667, 4952)]