18672112

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:385

約数の個数: 40

約数和(自身を含む): 37403856

約数和(自身を除く): 18731744

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 227, 388, 424, 454, 776, 848, 908, 1552, 1816, 3632, 5141, 10282, 12031, 20564, 22019, 24062, 41128, 44038, 48124, 82256, 88076, 96248, 176152, 192496, 352304, 1167007, 2334014, 4668028, 9336056, 18672112]

約数ペア:

[(1, 18672112), (2, 9336056), (4, 4668028), (8, 2334014), (16, 1167007), (53, 352304), (97, 192496), (106, 176152), (194, 96248), (212, 88076), (227, 82256), (388, 48124), (424, 44038), (454, 41128), (776, 24062), (848, 22019), (908, 20564), (1552, 12031), (1816, 10282), (3632, 5141)]