18895921504

素因数分解:

$2^5\times {\mathrm{59}}^1\times {\mathrm{421}}^1\times {\mathrm{23773}}^1$

素因数の和:24263

約数の個数: 48

約数和(自身を含む): 37923333840

約数和(自身を除く): 19027412336

約数列:

[1, 2, 4, 8, 16, 32, 59, 118, 236, 421, 472, 842, 944, 1684, 1888, 3368, 6736, 13472, 23773, 24839, 47546, 49678, 95092, 99356, 190184, 198712, 380368, 397424, 760736, 794848, 1402607, 2805214, 5610428, 10008433, 11220856, 20016866, 22441712, 40033732, 44883424, 80067464, 160134928, 320269856, 590497547, 1180995094, 2361990188, 4723980376, 9447960752, 18895921504]

約数ペア:

[(1, 18895921504), (2, 9447960752), (4, 4723980376), (8, 2361990188), (16, 1180995094), (32, 590497547), (59, 320269856), (118, 160134928), (236, 80067464), (421, 44883424), (472, 40033732), (842, 22441712), (944, 20016866), (1684, 11220856), (1888, 10008433), (3368, 5610428), (6736, 2805214), (13472, 1402607), (23773, 794848), (24839, 760736), (47546, 397424), (49678, 380368), (95092, 198712), (99356, 190184)]