18619984

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{14731}}^1$

素因数の和:14818

約数の個数: 20

約数和(自身を含む): 36535360

約数和(自身を除く): 17915376

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 14731, 29462, 58924, 117848, 235696, 1163749, 2327498, 4654996, 9309992, 18619984]

約数ペア:

[(1, 18619984), (2, 9309992), (4, 4654996), (8, 2327498), (16, 1163749), (79, 235696), (158, 117848), (316, 58924), (632, 29462), (1264, 14731)]