19850380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3923}}^1$

素因数の和:3966

約数の個数: 48

約数和(自身を含む): 47464704

約数和(自身を除く): 27614324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3923, 5060, 7846, 15692, 19615, 39230, 43153, 78460, 86306, 90229, 172612, 180458, 215765, 360916, 431530, 451145, 863060, 902290, 992519, 1804580, 1985038, 3970076, 4962595, 9925190, 19850380]

約数ペア:

[(1, 19850380), (2, 9925190), (4, 4962595), (5, 3970076), (10, 1985038), (11, 1804580), (20, 992519), (22, 902290), (23, 863060), (44, 451145), (46, 431530), (55, 360916), (92, 215765), (110, 180458), (115, 172612), (220, 90229), (230, 86306), (253, 78460), (460, 43153), (506, 39230), (1012, 19615), (1265, 15692), (2530, 7846), (3923, 5060)]