18111465

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 17370135

約数列:

[1, 3, 5, 9, 15, 19, 23, 27, 45, 57, 69, 95, 115, 135, 171, 207, 285, 307, 345, 437, 513, 621, 855, 921, 1035, 1311, 1535, 2185, 2565, 2763, 3105, 3933, 4605, 5833, 6555, 7061, 8289, 11799, 13815, 17499, 19665, 21183, 29165, 35305, 41445, 52497, 58995, 63549, 87495, 105915, 134159, 157491, 190647, 262485, 317745, 402477, 670795, 787455, 953235, 1207431, 2012385, 3622293, 6037155, 18111465]

約数ペア:

[(1, 18111465), (3, 6037155), (5, 3622293), (9, 2012385), (15, 1207431), (19, 953235), (23, 787455), (27, 670795), (45, 402477), (57, 317745), (69, 262485), (95, 190647), (115, 157491), (135, 134159), (171, 105915), (207, 87495), (285, 63549), (307, 58995), (345, 52497), (437, 41445), (513, 35305), (621, 29165), (855, 21183), (921, 19665), (1035, 17499), (1311, 13815), (1535, 11799), (2185, 8289), (2565, 7061), (2763, 6555), (3105, 5833), (3933, 4605)]