19583465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 27184896

約数和(自身を除く): 7601431

約数列:

[1, 5, 11, 23, 55, 113, 115, 137, 253, 565, 685, 1243, 1265, 1507, 2599, 3151, 6215, 7535, 12995, 15481, 15755, 28589, 34661, 77405, 142945, 170291, 173305, 356063, 851455, 1780315, 3916693, 19583465]

約数ペア:

[(1, 19583465), (5, 3916693), (11, 1780315), (23, 851455), (55, 356063), (113, 173305), (115, 170291), (137, 142945), (253, 77405), (565, 34661), (685, 28589), (1243, 15755), (1265, 15481), (1507, 12995), (2599, 7535), (3151, 6215)]