18529490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{677}}^1$

素因数の和:731

約数の個数: 64

約数和(自身を含む): 42177024

約数和(自身を除く): 23647534

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 34, 35, 46, 70, 85, 115, 119, 161, 170, 230, 238, 322, 391, 595, 677, 782, 805, 1190, 1354, 1610, 1955, 2737, 3385, 3910, 4739, 5474, 6770, 9478, 11509, 13685, 15571, 23018, 23695, 27370, 31142, 47390, 57545, 77855, 80563, 108997, 115090, 155710, 161126, 217994, 264707, 402815, 529414, 544985, 805630, 1089970, 1323535, 1852949, 2647070, 3705898, 9264745, 18529490]

約数ペア:

[(1, 18529490), (2, 9264745), (5, 3705898), (7, 2647070), (10, 1852949), (14, 1323535), (17, 1089970), (23, 805630), (34, 544985), (35, 529414), (46, 402815), (70, 264707), (85, 217994), (115, 161126), (119, 155710), (161, 115090), (170, 108997), (230, 80563), (238, 77855), (322, 57545), (391, 47390), (595, 31142), (677, 27370), (782, 23695), (805, 23018), (1190, 15571), (1354, 13685), (1610, 11509), (1955, 9478), (2737, 6770), (3385, 5474), (3910, 4739)]