18211216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 40497408

約数和(自身を除く): 22286192

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 41, 46, 68, 71, 82, 92, 136, 142, 164, 184, 272, 284, 328, 368, 391, 568, 656, 697, 782, 943, 1136, 1207, 1394, 1564, 1633, 1886, 2414, 2788, 2911, 3128, 3266, 3772, 4828, 5576, 5822, 6256, 6532, 7544, 9656, 11152, 11644, 13064, 15088, 16031, 19312, 23288, 26128, 27761, 32062, 46576, 49487, 55522, 64124, 66953, 98974, 111044, 128248, 133906, 197948, 222088, 256496, 267812, 395896, 444176, 535624, 791792, 1071248, 1138201, 2276402, 4552804, 9105608, 18211216]

約数ペア:

[(1, 18211216), (2, 9105608), (4, 4552804), (8, 2276402), (16, 1138201), (17, 1071248), (23, 791792), (34, 535624), (41, 444176), (46, 395896), (68, 267812), (71, 256496), (82, 222088), (92, 197948), (136, 133906), (142, 128248), (164, 111044), (184, 98974), (272, 66953), (284, 64124), (328, 55522), (368, 49487), (391, 46576), (568, 32062), (656, 27761), (697, 26128), (782, 23288), (943, 19312), (1136, 16031), (1207, 15088), (1394, 13064), (1564, 11644), (1633, 11152), (1886, 9656), (2414, 7544), (2788, 6532), (2911, 6256), (3128, 5822), (3266, 5576), (3772, 4828)]