18746475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 34950144

約数和(自身を除く): 16203669

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 275, 341, 465, 733, 775, 825, 1023, 1705, 2199, 2325, 3665, 5115, 8063, 8525, 10995, 18325, 22723, 24189, 25575, 40315, 54975, 68169, 113615, 120945, 201575, 249953, 340845, 568075, 604725, 749859, 1249765, 1704225, 3749295, 6248825, 18746475]

約数ペア:

[(1, 18746475), (3, 6248825), (5, 3749295), (11, 1704225), (15, 1249765), (25, 749859), (31, 604725), (33, 568075), (55, 340845), (75, 249953), (93, 201575), (155, 120945), (165, 113615), (275, 68169), (341, 54975), (465, 40315), (733, 25575), (775, 24189), (825, 22723), (1023, 18325), (1705, 10995), (2199, 8525), (2325, 8063), (3665, 5115)]