18932265

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 39580800

約数和(自身を除く): 20648535

約数列:

[1, 3, 5, 9, 11, 15, 19, 27, 33, 45, 55, 57, 61, 95, 99, 121, 135, 165, 171, 183, 209, 285, 297, 305, 363, 495, 513, 549, 605, 627, 671, 855, 915, 1045, 1089, 1159, 1485, 1647, 1815, 1881, 2013, 2299, 2565, 2745, 3135, 3267, 3355, 3477, 5445, 5643, 5795, 6039, 6897, 7381, 8235, 9405, 10065, 10431, 11495, 12749, 16335, 17385, 18117, 20691, 22143, 28215, 30195, 31293, 34485, 36905, 38247, 52155, 62073, 63745, 66429, 90585, 103455, 110715, 114741, 140239, 156465, 191235, 199287, 310365, 332145, 344223, 420717, 573705, 701195, 996435, 1262151, 1721115, 2103585, 3786453, 6310755, 18932265]

約数ペア:

[(1, 18932265), (3, 6310755), (5, 3786453), (9, 2103585), (11, 1721115), (15, 1262151), (19, 996435), (27, 701195), (33, 573705), (45, 420717), (55, 344223), (57, 332145), (61, 310365), (95, 199287), (99, 191235), (121, 156465), (135, 140239), (165, 114741), (171, 110715), (183, 103455), (209, 90585), (285, 66429), (297, 63745), (305, 62073), (363, 52155), (495, 38247), (513, 36905), (549, 34485), (605, 31293), (627, 30195), (671, 28215), (855, 22143), (915, 20691), (1045, 18117), (1089, 17385), (1159, 16335), (1485, 12749), (1647, 11495), (1815, 10431), (1881, 10065), (2013, 9405), (2299, 8235), (2565, 7381), (2745, 6897), (3135, 6039), (3267, 5795), (3355, 5643), (3477, 5445)]