18805380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28493}}^1$

素因数の和:28516

約数の個数: 48

約数和(自身を含む): 57443904

約数和(自身を除く): 38638524

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28493, 56986, 85479, 113972, 142465, 170958, 284930, 313423, 341916, 427395, 569860, 626846, 854790, 940269, 1253692, 1567115, 1709580, 1880538, 3134230, 3761076, 4701345, 6268460, 9402690, 18805380]

約数ペア:

[(1, 18805380), (2, 9402690), (3, 6268460), (4, 4701345), (5, 3761076), (6, 3134230), (10, 1880538), (11, 1709580), (12, 1567115), (15, 1253692), (20, 940269), (22, 854790), (30, 626846), (33, 569860), (44, 427395), (55, 341916), (60, 313423), (66, 284930), (110, 170958), (132, 142465), (165, 113972), (220, 85479), (330, 56986), (660, 28493)]