18971793

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{11519}}^1$

素因数の和:11589

約数の個数: 16

約数和(自身を含む): 28569600

約数和(自身を除く): 9597807

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 11519, 34557, 103671, 311013, 702659, 2107977, 6323931, 18971793]

約数ペア:

[(1, 18971793), (3, 6323931), (9, 2107977), (27, 702659), (61, 311013), (183, 103671), (549, 34557), (1647, 11519)]