19147635

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 17176653

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 461, 585, 639, 923, 1065, 1383, 2305, 2769, 3195, 4149, 4615, 5993, 6915, 8307, 13845, 17979, 20745, 29965, 32731, 41535, 53937, 89895, 98193, 163655, 269685, 294579, 425503, 490965, 1276509, 1472895, 2127515, 3829527, 6382545, 19147635]

約数ペア:

[(1, 19147635), (3, 6382545), (5, 3829527), (9, 2127515), (13, 1472895), (15, 1276509), (39, 490965), (45, 425503), (65, 294579), (71, 269685), (117, 163655), (195, 98193), (213, 89895), (355, 53937), (461, 41535), (585, 32731), (639, 29965), (923, 20745), (1065, 17979), (1383, 13845), (2305, 8307), (2769, 6915), (3195, 5993), (4149, 4615)]