18895604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 44330496

約数和(自身を除く): 25434892

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 37, 46, 52, 61, 74, 91, 92, 122, 148, 161, 182, 244, 259, 299, 322, 364, 427, 481, 518, 598, 644, 793, 851, 854, 962, 1036, 1196, 1403, 1586, 1702, 1708, 1924, 2093, 2257, 2806, 3172, 3367, 3404, 4186, 4514, 5551, 5612, 5957, 6734, 8372, 9028, 9821, 11063, 11102, 11914, 13468, 15799, 18239, 19642, 22126, 22204, 23828, 29341, 31598, 36478, 39284, 44252, 51911, 58682, 63196, 72956, 77441, 103822, 117364, 127673, 154882, 205387, 207644, 255346, 309764, 363377, 410774, 510692, 674843, 726754, 821548, 1349686, 1453508, 2699372, 4723901, 9447802, 18895604]

約数ペア:

[(1, 18895604), (2, 9447802), (4, 4723901), (7, 2699372), (13, 1453508), (14, 1349686), (23, 821548), (26, 726754), (28, 674843), (37, 510692), (46, 410774), (52, 363377), (61, 309764), (74, 255346), (91, 207644), (92, 205387), (122, 154882), (148, 127673), (161, 117364), (182, 103822), (244, 77441), (259, 72956), (299, 63196), (322, 58682), (364, 51911), (427, 44252), (481, 39284), (518, 36478), (598, 31598), (644, 29341), (793, 23828), (851, 22204), (854, 22126), (962, 19642), (1036, 18239), (1196, 15799), (1403, 13468), (1586, 11914), (1702, 11102), (1708, 11063), (1924, 9821), (2093, 9028), (2257, 8372), (2806, 6734), (3172, 5957), (3367, 5612), (3404, 5551), (4186, 4514)]