17620487615

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{439}}^1\times {\mathrm{601}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 23009595840

約数和(自身を除く): 5389108225

約数列:

[1, 5, 19, 37, 95, 185, 361, 439, 601, 703, 1805, 2195, 3005, 3515, 8341, 11419, 13357, 16243, 22237, 41705, 57095, 66785, 81215, 111185, 158479, 216961, 263839, 308617, 422503, 792395, 1084805, 1319195, 1543085, 2112515, 5012941, 5863723, 8027557, 9762043, 25064705, 29318615, 40137785, 48810215, 95245879, 185478817, 476229395, 927394085, 3524097523, 17620487615]

約数ペア:

[(1, 17620487615), (5, 3524097523), (19, 927394085), (37, 476229395), (95, 185478817), (185, 95245879), (361, 48810215), (439, 40137785), (601, 29318615), (703, 25064705), (1805, 9762043), (2195, 8027557), (3005, 5863723), (3515, 5012941), (8341, 2112515), (11419, 1543085), (13357, 1319195), (16243, 1084805), (22237, 792395), (41705, 422503), (57095, 308617), (66785, 263839), (81215, 216961), (111185, 158479)]