18415641605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{145423}}^1$

素因数の和:145521

約数の個数: 32

約数和(自身を含む): 24570839040

約数和(自身を除く): 6155197435

約数列:

[1, 5, 19, 31, 43, 95, 155, 215, 589, 817, 1333, 2945, 4085, 6665, 25327, 126635, 145423, 727115, 2763037, 4508113, 6253189, 13815185, 22540565, 31265945, 85654147, 118810591, 193848859, 428270735, 594052955, 969244295, 3683128321, 18415641605]

約数ペア:

[(1, 18415641605), (5, 3683128321), (19, 969244295), (31, 594052955), (43, 428270735), (95, 193848859), (155, 118810591), (215, 85654147), (589, 31265945), (817, 22540565), (1333, 13815185), (2945, 6253189), (4085, 4508113), (6665, 2763037), (25327, 727115), (126635, 145423)]