19702788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1439}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 33197052

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1439, 1956, 2282, 2878, 3423, 4317, 4564, 5756, 6846, 8634, 10073, 13692, 17268, 20146, 30219, 40292, 60438, 120876, 234557, 469114, 703671, 938228, 1407342, 1641899, 2814684, 3283798, 4925697, 6567596, 9851394, 19702788]

約数ペア:

[(1, 19702788), (2, 9851394), (3, 6567596), (4, 4925697), (6, 3283798), (7, 2814684), (12, 1641899), (14, 1407342), (21, 938228), (28, 703671), (42, 469114), (84, 234557), (163, 120876), (326, 60438), (489, 40292), (652, 30219), (978, 20146), (1141, 17268), (1439, 13692), (1956, 10073), (2282, 8634), (2878, 6846), (3423, 5756), (4317, 4564)]