19823696

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 39700584

約数和(自身を除く): 19876888

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 241, 388, 424, 482, 776, 848, 964, 1552, 1928, 3856, 5141, 10282, 12773, 20564, 23377, 25546, 41128, 46754, 51092, 82256, 93508, 102184, 187016, 204368, 374032, 1238981, 2477962, 4955924, 9911848, 19823696]

約数ペア:

[(1, 19823696), (2, 9911848), (4, 4955924), (8, 2477962), (16, 1238981), (53, 374032), (97, 204368), (106, 187016), (194, 102184), (212, 93508), (241, 82256), (388, 51092), (424, 46754), (482, 41128), (776, 25546), (848, 23377), (964, 20564), (1552, 12773), (1928, 10282), (3856, 5141)]