18186896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12519

約数の個数: 40

約数和(自身を含む): 43372224

約数和(自身を除く): 25185328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12491, 24982, 49964, 87437, 99928, 162383, 174874, 199856, 324766, 349748, 649532, 699496, 1136681, 1299064, 1398992, 2273362, 2598128, 4546724, 9093448, 18186896]

約数ペア:

[(1, 18186896), (2, 9093448), (4, 4546724), (7, 2598128), (8, 2273362), (13, 1398992), (14, 1299064), (16, 1136681), (26, 699496), (28, 649532), (52, 349748), (56, 324766), (91, 199856), (104, 174874), (112, 162383), (182, 99928), (208, 87437), (364, 49964), (728, 24982), (1456, 12491)]