18653475

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 13915869

約数列:

[1, 3, 5, 15, 25, 31, 71, 75, 93, 113, 155, 213, 339, 355, 465, 565, 775, 1065, 1695, 1775, 2201, 2325, 2825, 3503, 5325, 6603, 8023, 8475, 10509, 11005, 17515, 24069, 33015, 40115, 52545, 55025, 87575, 120345, 165075, 200575, 248713, 262725, 601725, 746139, 1243565, 3730695, 6217825, 18653475]

約数ペア:

[(1, 18653475), (3, 6217825), (5, 3730695), (15, 1243565), (25, 746139), (31, 601725), (71, 262725), (75, 248713), (93, 200575), (113, 165075), (155, 120345), (213, 87575), (339, 55025), (355, 52545), (465, 40115), (565, 33015), (775, 24069), (1065, 17515), (1695, 11005), (1775, 10509), (2201, 8475), (2325, 8023), (2825, 6603), (3503, 5325)]