18921940

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3229}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 39884040

約数和(自身を除く): 20962100

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3229, 5860, 6458, 12916, 16145, 32290, 64580, 946097, 1892194, 3784388, 4730485, 9460970, 18921940]

約数ペア:

[(1, 18921940), (2, 9460970), (4, 4730485), (5, 3784388), (10, 1892194), (20, 946097), (293, 64580), (586, 32290), (1172, 16145), (1465, 12916), (2930, 6458), (3229, 5860)]