19642968

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1831}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 53586000

約数和(自身を除く): 33943032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 1831, 2682, 3576, 3662, 5364, 5493, 7324, 10728, 10986, 14648, 16479, 21972, 32958, 43944, 65916, 131832, 272819, 545638, 818457, 1091276, 1636914, 2182552, 2455371, 3273828, 4910742, 6547656, 9821484, 19642968]

約数ペア:

[(1, 19642968), (2, 9821484), (3, 6547656), (4, 4910742), (6, 3273828), (8, 2455371), (9, 2182552), (12, 1636914), (18, 1091276), (24, 818457), (36, 545638), (72, 272819), (149, 131832), (298, 65916), (447, 43944), (596, 32958), (894, 21972), (1192, 16479), (1341, 14648), (1788, 10986), (1831, 10728), (2682, 7324), (3576, 5493), (3662, 5364)]