19402542

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 44899920

約数和(自身を除く): 25497378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 163, 306, 326, 389, 489, 778, 978, 1167, 1467, 2334, 2771, 2934, 3501, 5542, 6613, 7002, 8313, 13226, 16626, 19839, 24939, 39678, 49878, 59517, 63407, 119034, 126814, 190221, 380442, 570663, 1077919, 1141326, 2155838, 3233757, 6467514, 9701271, 19402542]

約数ペア:

[(1, 19402542), (2, 9701271), (3, 6467514), (6, 3233757), (9, 2155838), (17, 1141326), (18, 1077919), (34, 570663), (51, 380442), (102, 190221), (153, 126814), (163, 119034), (306, 63407), (326, 59517), (389, 49878), (489, 39678), (778, 24939), (978, 19839), (1167, 16626), (1467, 13226), (2334, 8313), (2771, 7002), (2934, 6613), (3501, 5542)]