19574144

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{4933}}^1$

素因数の和:4978

約数の個数: 32

約数和(自身を含む): 40261440

約数和(自身を除く): 20687296

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 4933, 9866, 19732, 39464, 78928, 152923, 157856, 305846, 315712, 611692, 631424, 1223384, 2446768, 4893536, 9787072, 19574144]

約数ペア:

[(1, 19574144), (2, 9787072), (4, 4893536), (8, 2446768), (16, 1223384), (31, 631424), (32, 611692), (62, 315712), (64, 305846), (124, 157856), (128, 152923), (248, 78928), (496, 39464), (992, 19732), (1984, 9866), (3968, 4933)]