18644444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 44706816

約数和(自身を除く): 26062372

約数列:

[1, 2, 4, 7, 13, 14, 17, 23, 26, 28, 34, 46, 52, 68, 91, 92, 119, 131, 161, 182, 221, 238, 262, 299, 322, 364, 391, 442, 476, 524, 598, 644, 782, 884, 917, 1196, 1547, 1564, 1703, 1834, 2093, 2227, 2737, 3013, 3094, 3406, 3668, 4186, 4454, 5083, 5474, 6026, 6188, 6812, 8372, 8908, 10166, 10948, 11921, 12052, 15589, 20332, 21091, 23842, 28951, 31178, 35581, 39169, 42182, 47684, 51221, 57902, 62356, 71162, 78338, 84364, 102442, 115804, 142324, 156676, 202657, 204884, 274183, 358547, 405314, 548366, 665873, 717094, 810628, 1096732, 1331746, 1434188, 2663492, 4661111, 9322222, 18644444]

約数ペア:

[(1, 18644444), (2, 9322222), (4, 4661111), (7, 2663492), (13, 1434188), (14, 1331746), (17, 1096732), (23, 810628), (26, 717094), (28, 665873), (34, 548366), (46, 405314), (52, 358547), (68, 274183), (91, 204884), (92, 202657), (119, 156676), (131, 142324), (161, 115804), (182, 102442), (221, 84364), (238, 78338), (262, 71162), (299, 62356), (322, 57902), (364, 51221), (391, 47684), (442, 42182), (476, 39169), (524, 35581), (598, 31178), (644, 28951), (782, 23842), (884, 21091), (917, 20332), (1196, 15589), (1547, 12052), (1564, 11921), (1703, 10948), (1834, 10166), (2093, 8908), (2227, 8372), (2737, 6812), (3013, 6188), (3094, 6026), (3406, 5474), (3668, 5083), (4186, 4454)]