17381390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 36771840

約数和(自身を除く): 19390450

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 190, 227, 247, 310, 403, 454, 494, 589, 806, 1135, 1178, 1235, 2015, 2270, 2470, 2945, 2951, 4030, 4313, 5890, 5902, 7037, 7657, 8626, 14074, 14755, 15314, 21565, 29510, 35185, 38285, 43130, 56069, 70370, 76570, 91481, 112138, 133703, 182962, 267406, 280345, 457405, 560690, 668515, 914810, 1337030, 1738139, 3476278, 8690695, 17381390]

約数ペア:

[(1, 17381390), (2, 8690695), (5, 3476278), (10, 1738139), (13, 1337030), (19, 914810), (26, 668515), (31, 560690), (38, 457405), (62, 280345), (65, 267406), (95, 182962), (130, 133703), (155, 112138), (190, 91481), (227, 76570), (247, 70370), (310, 56069), (403, 43130), (454, 38285), (494, 35185), (589, 29510), (806, 21565), (1135, 15314), (1178, 14755), (1235, 14074), (2015, 8626), (2270, 7657), (2470, 7037), (2945, 5902), (2951, 5890), (4030, 4313)]