19942398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{971}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 49735296

約数和(自身を除く): 29792898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 163, 326, 489, 971, 978, 1141, 1467, 1942, 2282, 2913, 2934, 3423, 5826, 6797, 6846, 8739, 10269, 13594, 17478, 20391, 20538, 40782, 61173, 122346, 158273, 316546, 474819, 949638, 1107911, 1424457, 2215822, 2848914, 3323733, 6647466, 9971199, 19942398]

約数ペア:

[(1, 19942398), (2, 9971199), (3, 6647466), (6, 3323733), (7, 2848914), (9, 2215822), (14, 1424457), (18, 1107911), (21, 949638), (42, 474819), (63, 316546), (126, 158273), (163, 122346), (326, 61173), (489, 40782), (971, 20538), (978, 20391), (1141, 17478), (1467, 13594), (1942, 10269), (2282, 8739), (2913, 6846), (2934, 6797), (3423, 5826)]