18343892

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 40971840

約数和(自身を除く): 22627948

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 41, 58, 76, 82, 116, 133, 164, 203, 266, 287, 406, 532, 551, 574, 779, 812, 841, 1102, 1148, 1189, 1558, 1682, 2204, 2378, 3116, 3364, 3857, 4756, 5453, 5887, 7714, 8323, 10906, 11774, 15428, 15979, 16646, 21812, 22591, 23548, 31958, 33292, 34481, 45182, 63916, 68962, 90364, 111853, 137924, 158137, 223706, 241367, 316274, 447412, 482734, 632548, 655139, 965468, 1310278, 2620556, 4585973, 9171946, 18343892]

約数ペア:

[(1, 18343892), (2, 9171946), (4, 4585973), (7, 2620556), (14, 1310278), (19, 965468), (28, 655139), (29, 632548), (38, 482734), (41, 447412), (58, 316274), (76, 241367), (82, 223706), (116, 158137), (133, 137924), (164, 111853), (203, 90364), (266, 68962), (287, 63916), (406, 45182), (532, 34481), (551, 33292), (574, 31958), (779, 23548), (812, 22591), (841, 21812), (1102, 16646), (1148, 15979), (1189, 15428), (1558, 11774), (1682, 10906), (2204, 8323), (2378, 7714), (3116, 5887), (3364, 5453), (3857, 4756)]