15890908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 32022144

約数和(自身を除く): 16131236

約数列:

[1, 2, 4, 11, 22, 37, 43, 44, 74, 86, 148, 172, 227, 407, 454, 473, 814, 908, 946, 1591, 1628, 1892, 2497, 3182, 4994, 6364, 8399, 9761, 9988, 16798, 17501, 19522, 33596, 35002, 39044, 70004, 92389, 107371, 184778, 214742, 361157, 369556, 429484, 722314, 1444628, 3972727, 7945454, 15890908]

約数ペア:

[(1, 15890908), (2, 7945454), (4, 3972727), (11, 1444628), (22, 722314), (37, 429484), (43, 369556), (44, 361157), (74, 214742), (86, 184778), (148, 107371), (172, 92389), (227, 70004), (407, 39044), (454, 35002), (473, 33596), (814, 19522), (908, 17501), (946, 16798), (1591, 9988), (1628, 9761), (1892, 8399), (2497, 6364), (3182, 4994)]