18150795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 37739520

約数和(自身を除く): 19588725

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 45, 57, 65, 69, 71, 95, 115, 117, 171, 195, 207, 213, 247, 285, 299, 345, 355, 437, 585, 639, 741, 855, 897, 923, 1035, 1065, 1235, 1311, 1349, 1495, 1633, 2185, 2223, 2691, 2769, 3195, 3705, 3933, 4047, 4485, 4615, 4899, 5681, 6555, 6745, 8165, 8307, 11115, 12141, 13455, 13845, 14697, 17043, 17537, 19665, 20235, 21229, 24495, 28405, 31027, 41535, 51129, 52611, 60705, 63687, 73485, 85215, 87685, 93081, 106145, 155135, 157833, 191061, 255645, 263055, 279243, 318435, 403351, 465405, 789165, 955305, 1210053, 1396215, 2016755, 3630159, 6050265, 18150795]

約数ペア:

[(1, 18150795), (3, 6050265), (5, 3630159), (9, 2016755), (13, 1396215), (15, 1210053), (19, 955305), (23, 789165), (39, 465405), (45, 403351), (57, 318435), (65, 279243), (69, 263055), (71, 255645), (95, 191061), (115, 157833), (117, 155135), (171, 106145), (195, 93081), (207, 87685), (213, 85215), (247, 73485), (285, 63687), (299, 60705), (345, 52611), (355, 51129), (437, 41535), (585, 31027), (639, 28405), (741, 24495), (855, 21229), (897, 20235), (923, 19665), (1035, 17537), (1065, 17043), (1235, 14697), (1311, 13845), (1349, 13455), (1495, 12141), (1633, 11115), (2185, 8307), (2223, 8165), (2691, 6745), (2769, 6555), (3195, 5681), (3705, 4899), (3933, 4615), (4047, 4485)]