18950855728

素因数分解:

$2^4\times 7^1\times {\mathrm{2207}}^1\times {\mathrm{76667}}^1$

素因数の和:78889

約数の個数: 40

約数和(自身を含む): 41982170112

約数和(自身を除く): 23031314384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2207, 4414, 8828, 15449, 17656, 30898, 35312, 61796, 76667, 123592, 153334, 247184, 306668, 536669, 613336, 1073338, 1226672, 2146676, 4293352, 8586704, 169204069, 338408138, 676816276, 1184428483, 1353632552, 2368856966, 2707265104, 4737713932, 9475427864, 18950855728]

約数ペア:

[(1, 18950855728), (2, 9475427864), (4, 4737713932), (7, 2707265104), (8, 2368856966), (14, 1353632552), (16, 1184428483), (28, 676816276), (56, 338408138), (112, 169204069), (2207, 8586704), (4414, 4293352), (8828, 2146676), (15449, 1226672), (17656, 1073338), (30898, 613336), (35312, 536669), (61796, 306668), (76667, 247184), (123592, 153334)]