19216864

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 20197952

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 97, 151, 164, 194, 302, 328, 388, 604, 656, 776, 1208, 1312, 1552, 2416, 3104, 3977, 4832, 6191, 7954, 12382, 14647, 15908, 24764, 29294, 31816, 49528, 58588, 63632, 99056, 117176, 127264, 198112, 234352, 468704, 600527, 1201054, 2402108, 4804216, 9608432, 19216864]

約数ペア:

[(1, 19216864), (2, 9608432), (4, 4804216), (8, 2402108), (16, 1201054), (32, 600527), (41, 468704), (82, 234352), (97, 198112), (151, 127264), (164, 117176), (194, 99056), (302, 63632), (328, 58588), (388, 49528), (604, 31816), (656, 29294), (776, 24764), (1208, 15908), (1312, 14647), (1552, 12382), (2416, 7954), (3104, 6191), (3977, 4832)]