17801992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10069}}^1$

素因数の和:10105

約数の個数: 32

約数和(自身を含む): 38064600

約数和(自身を除く): 20262608

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10069, 20138, 40276, 80552, 130897, 171173, 261794, 342346, 523588, 684692, 1047176, 1369384, 2225249, 4450498, 8900996, 17801992]

約数ペア:

[(1, 17801992), (2, 8900996), (4, 4450498), (8, 2225249), (13, 1369384), (17, 1047176), (26, 684692), (34, 523588), (52, 342346), (68, 261794), (104, 171173), (136, 130897), (221, 80552), (442, 40276), (884, 20138), (1768, 10069)]