18122390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:102

約数の個数: 128

約数和(自身を含む): 43545600

約数和(自身を除く): 25423210

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 23, 26, 29, 38, 46, 55, 58, 65, 95, 110, 115, 130, 143, 145, 190, 209, 230, 247, 253, 286, 290, 299, 319, 377, 418, 437, 494, 506, 551, 598, 638, 667, 715, 754, 874, 1045, 1102, 1235, 1265, 1334, 1430, 1495, 1595, 1885, 2090, 2185, 2470, 2530, 2717, 2755, 2990, 3190, 3289, 3335, 3770, 4147, 4370, 4807, 5434, 5510, 5681, 6061, 6578, 6670, 7163, 7337, 8294, 8671, 9614, 11362, 12122, 12673, 13585, 14326, 14674, 16445, 17342, 20735, 24035, 25346, 27170, 28405, 30305, 32890, 35815, 36685, 41470, 43355, 48070, 56810, 60610, 62491, 63365, 71630, 73370, 78793, 86710, 95381, 124982, 126730, 139403, 157586, 164749, 190762, 278806, 312455, 329498, 393965, 476905, 624910, 697015, 787930, 823745, 953810, 1394030, 1647490, 1812239, 3624478, 9061195, 18122390]

約数ペア:

[(1, 18122390), (2, 9061195), (5, 3624478), (10, 1812239), (11, 1647490), (13, 1394030), (19, 953810), (22, 823745), (23, 787930), (26, 697015), (29, 624910), (38, 476905), (46, 393965), (55, 329498), (58, 312455), (65, 278806), (95, 190762), (110, 164749), (115, 157586), (130, 139403), (143, 126730), (145, 124982), (190, 95381), (209, 86710), (230, 78793), (247, 73370), (253, 71630), (286, 63365), (290, 62491), (299, 60610), (319, 56810), (377, 48070), (418, 43355), (437, 41470), (494, 36685), (506, 35815), (551, 32890), (598, 30305), (638, 28405), (667, 27170), (715, 25346), (754, 24035), (874, 20735), (1045, 17342), (1102, 16445), (1235, 14674), (1265, 14326), (1334, 13585), (1430, 12673), (1495, 12122), (1595, 11362), (1885, 9614), (2090, 8671), (2185, 8294), (2470, 7337), (2530, 7163), (2717, 6670), (2755, 6578), (2990, 6061), (3190, 5681), (3289, 5510), (3335, 5434), (3770, 4807), (4147, 4370)]