18152840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15649}}^1$

素因数の和:15689

約数の個数: 32

約数和(自身を含む): 42255000

約数和(自身を除く): 24102160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 15649, 31298, 62596, 78245, 125192, 156490, 312980, 453821, 625960, 907642, 1815284, 2269105, 3630568, 4538210, 9076420, 18152840]

約数ペア:

[(1, 18152840), (2, 9076420), (4, 4538210), (5, 3630568), (8, 2269105), (10, 1815284), (20, 907642), (29, 625960), (40, 453821), (58, 312980), (116, 156490), (145, 125192), (232, 78245), (290, 62596), (580, 31298), (1160, 15649)]