18915435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 42052608

約数和(自身を除く): 23137173

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 53, 55, 63, 77, 99, 103, 105, 159, 165, 231, 265, 309, 315, 371, 385, 477, 495, 515, 583, 693, 721, 795, 927, 1113, 1133, 1155, 1545, 1749, 1855, 2163, 2385, 2915, 3339, 3399, 3465, 3605, 4081, 4635, 5247, 5459, 5565, 5665, 6489, 7931, 8745, 10197, 10815, 12243, 16377, 16695, 16995, 20405, 23793, 26235, 27295, 32445, 36729, 38213, 39655, 49131, 50985, 60049, 61215, 71379, 81885, 114639, 118965, 180147, 183645, 191065, 245655, 300245, 343917, 356895, 420343, 540441, 573195, 900735, 1261029, 1719585, 2101715, 2702205, 3783087, 6305145, 18915435]

約数ペア:

[(1, 18915435), (3, 6305145), (5, 3783087), (7, 2702205), (9, 2101715), (11, 1719585), (15, 1261029), (21, 900735), (33, 573195), (35, 540441), (45, 420343), (53, 356895), (55, 343917), (63, 300245), (77, 245655), (99, 191065), (103, 183645), (105, 180147), (159, 118965), (165, 114639), (231, 81885), (265, 71379), (309, 61215), (315, 60049), (371, 50985), (385, 49131), (477, 39655), (495, 38213), (515, 36729), (583, 32445), (693, 27295), (721, 26235), (795, 23793), (927, 20405), (1113, 16995), (1133, 16695), (1155, 16377), (1545, 12243), (1749, 10815), (1855, 10197), (2163, 8745), (2385, 7931), (2915, 6489), (3339, 5665), (3399, 5565), (3465, 5459), (3605, 5247), (4081, 4635)]