18544095

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 36232560

約数和(自身を除く): 17688465

約数列:

[1, 3, 5, 9, 15, 19, 23, 41, 45, 57, 69, 95, 115, 123, 171, 205, 207, 285, 345, 369, 437, 529, 615, 779, 855, 943, 1035, 1311, 1587, 1845, 2185, 2337, 2645, 2829, 3895, 3933, 4715, 4761, 6555, 7011, 7935, 8487, 10051, 11685, 14145, 17917, 19665, 21689, 23805, 30153, 35055, 42435, 50255, 53751, 65067, 89585, 90459, 108445, 150765, 161253, 195201, 268755, 325335, 412091, 452295, 806265, 976005, 1236273, 2060455, 3708819, 6181365, 18544095]

約数ペア:

[(1, 18544095), (3, 6181365), (5, 3708819), (9, 2060455), (15, 1236273), (19, 976005), (23, 806265), (41, 452295), (45, 412091), (57, 325335), (69, 268755), (95, 195201), (115, 161253), (123, 150765), (171, 108445), (205, 90459), (207, 89585), (285, 65067), (345, 53751), (369, 50255), (437, 42435), (529, 35055), (615, 30153), (779, 23805), (855, 21689), (943, 19665), (1035, 17917), (1311, 14145), (1587, 11685), (1845, 10051), (2185, 8487), (2337, 7935), (2645, 7011), (2829, 6555), (3895, 4761), (3933, 4715)]