18957796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 41291712

約数和(自身を除く): 22333916

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 121, 131, 143, 242, 253, 262, 286, 299, 484, 506, 524, 572, 598, 1012, 1196, 1441, 1573, 1703, 2783, 2882, 3013, 3146, 3289, 3406, 5566, 5764, 6026, 6292, 6578, 6812, 11132, 12052, 13156, 15851, 18733, 31702, 33143, 36179, 37466, 39169, 63404, 66286, 72358, 74932, 78338, 132572, 144716, 156676, 206063, 364573, 412126, 430859, 729146, 824252, 861718, 1458292, 1723436, 4739449, 9478898, 18957796]

約数ペア:

[(1, 18957796), (2, 9478898), (4, 4739449), (11, 1723436), (13, 1458292), (22, 861718), (23, 824252), (26, 729146), (44, 430859), (46, 412126), (52, 364573), (92, 206063), (121, 156676), (131, 144716), (143, 132572), (242, 78338), (253, 74932), (262, 72358), (286, 66286), (299, 63404), (484, 39169), (506, 37466), (524, 36179), (572, 33143), (598, 31702), (1012, 18733), (1196, 15851), (1441, 13156), (1573, 12052), (1703, 11132), (2783, 6812), (2882, 6578), (3013, 6292), (3146, 6026), (3289, 5764), (3406, 5566)]