1899686672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{20341}}^1$

素因数の和:20811

約数の個数: 40

約数和(自身を含む): 3972792600

約数和(自身を除く): 2073105928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 449, 898, 1796, 3592, 5837, 7184, 11674, 20341, 23348, 40682, 46696, 81364, 93392, 162728, 264433, 325456, 528866, 1057732, 2115464, 4230928, 9133109, 18266218, 36532436, 73064872, 118730417, 146129744, 237460834, 474921668, 949843336, 1899686672]

約数ペア:

[(1, 1899686672), (2, 949843336), (4, 474921668), (8, 237460834), (13, 146129744), (16, 118730417), (26, 73064872), (52, 36532436), (104, 18266218), (208, 9133109), (449, 4230928), (898, 2115464), (1796, 1057732), (3592, 528866), (5837, 325456), (7184, 264433), (11674, 162728), (20341, 93392), (23348, 81364), (40682, 46696)]