19425999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 28648960

約数和(自身を除く): 9222961

約数列:

[1, 3, 19, 37, 57, 61, 111, 151, 183, 453, 703, 1159, 2109, 2257, 2869, 3477, 5587, 6771, 8607, 9211, 16761, 27633, 42883, 106153, 128649, 175009, 318459, 340807, 525027, 1022421, 6475333, 19425999]

約数ペア:

[(1, 19425999), (3, 6475333), (19, 1022421), (37, 525027), (57, 340807), (61, 318459), (111, 175009), (151, 128649), (183, 106153), (453, 42883), (703, 27633), (1159, 16761), (2109, 9211), (2257, 8607), (2869, 6771), (3477, 5587)]