11720416

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 24993360

約数和(自身を除く): 13272944

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 74, 76, 148, 152, 296, 304, 521, 592, 608, 703, 1042, 1184, 1406, 2084, 2812, 4168, 5624, 8336, 9899, 11248, 16672, 19277, 19798, 22496, 38554, 39596, 77108, 79192, 154216, 158384, 308432, 316768, 366263, 616864, 732526, 1465052, 2930104, 5860208, 11720416]

約数ペア:

[(1, 11720416), (2, 5860208), (4, 2930104), (8, 1465052), (16, 732526), (19, 616864), (32, 366263), (37, 316768), (38, 308432), (74, 158384), (76, 154216), (148, 79192), (152, 77108), (296, 39596), (304, 38554), (521, 22496), (592, 19798), (608, 19277), (703, 16672), (1042, 11248), (1184, 9899), (1406, 8336), (2084, 5624), (2812, 4168)]