19091696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{349}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 40101600

約数和(自身を除く): 21009904

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 263, 349, 526, 698, 1052, 1396, 2104, 2792, 3419, 4208, 4537, 5584, 6838, 9074, 13676, 18148, 27352, 36296, 54704, 72592, 91787, 183574, 367148, 734296, 1193231, 1468592, 2386462, 4772924, 9545848, 19091696]

約数ペア:

[(1, 19091696), (2, 9545848), (4, 4772924), (8, 2386462), (13, 1468592), (16, 1193231), (26, 734296), (52, 367148), (104, 183574), (208, 91787), (263, 72592), (349, 54704), (526, 36296), (698, 27352), (1052, 18148), (1396, 13676), (2104, 9074), (2792, 6838), (3419, 5584), (4208, 4537)]