19667800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3391}}^1$

素因数の和:3436

約数の個数: 48

約数和(自身を含む): 47318400

約数和(自身を除く): 27650600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3391, 5800, 6782, 13564, 16955, 27128, 33910, 67820, 84775, 98339, 135640, 169550, 196678, 339100, 393356, 491695, 678200, 786712, 983390, 1966780, 2458475, 3933560, 4916950, 9833900, 19667800]

約数ペア:

[(1, 19667800), (2, 9833900), (4, 4916950), (5, 3933560), (8, 2458475), (10, 1966780), (20, 983390), (25, 786712), (29, 678200), (40, 491695), (50, 393356), (58, 339100), (100, 196678), (116, 169550), (145, 135640), (200, 98339), (232, 84775), (290, 67820), (580, 33910), (725, 27128), (1160, 16955), (1450, 13564), (2900, 6782), (3391, 5800)]