15221796

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 36723456

約数和(自身を除く): 21501660

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 137, 141, 188, 197, 274, 282, 394, 411, 548, 564, 591, 788, 822, 1182, 1644, 2364, 6439, 9259, 12878, 18518, 19317, 25756, 26989, 27777, 37036, 38634, 53978, 55554, 77268, 80967, 107956, 111108, 161934, 323868, 1268483, 2536966, 3805449, 5073932, 7610898, 15221796]

約数ペア:

[(1, 15221796), (2, 7610898), (3, 5073932), (4, 3805449), (6, 2536966), (12, 1268483), (47, 323868), (94, 161934), (137, 111108), (141, 107956), (188, 80967), (197, 77268), (274, 55554), (282, 53978), (394, 38634), (411, 37036), (548, 27777), (564, 26989), (591, 25756), (788, 19317), (822, 18518), (1182, 12878), (1644, 9259), (2364, 6439)]