19909108

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 39012624

約数和(自身を除く): 19103516

約数列:

[1, 2, 4, 17, 34, 37, 41, 68, 74, 82, 148, 164, 193, 386, 629, 697, 772, 1258, 1394, 1517, 2516, 2788, 3034, 3281, 6068, 6562, 7141, 7913, 13124, 14282, 15826, 25789, 28564, 31652, 51578, 103156, 121397, 134521, 242794, 269042, 292781, 485588, 538084, 585562, 1171124, 4977277, 9954554, 19909108]

約数ペア:

[(1, 19909108), (2, 9954554), (4, 4977277), (17, 1171124), (34, 585562), (37, 538084), (41, 485588), (68, 292781), (74, 269042), (82, 242794), (148, 134521), (164, 121397), (193, 103156), (386, 51578), (629, 31652), (697, 28564), (772, 25789), (1258, 15826), (1394, 14282), (1517, 13124), (2516, 7913), (2788, 7141), (3034, 6562), (3281, 6068)]