18739566

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{5689}}^1$

素因数の和:5761

約数の個数: 32

約数和(自身を含む): 42333600

約数和(自身を除く): 23594034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 5689, 11378, 17067, 34134, 51201, 102402, 153603, 307206, 347029, 694058, 1041087, 2082174, 3123261, 6246522, 9369783, 18739566]

約数ペア:

[(1, 18739566), (2, 9369783), (3, 6246522), (6, 3123261), (9, 2082174), (18, 1041087), (27, 694058), (54, 347029), (61, 307206), (122, 153603), (183, 102402), (366, 51201), (549, 34134), (1098, 17067), (1647, 11378), (3294, 5689)]