18637788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3229}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 48114080

約数和(自身を除く): 29476292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3229, 5772, 6458, 9687, 12916, 19374, 38748, 41977, 83954, 119473, 125931, 167908, 238946, 251862, 358419, 477892, 503724, 716838, 1433676, 1553149, 3106298, 4659447, 6212596, 9318894, 18637788]

約数ペア:

[(1, 18637788), (2, 9318894), (3, 6212596), (4, 4659447), (6, 3106298), (12, 1553149), (13, 1433676), (26, 716838), (37, 503724), (39, 477892), (52, 358419), (74, 251862), (78, 238946), (111, 167908), (148, 125931), (156, 119473), (222, 83954), (444, 41977), (481, 38748), (962, 19374), (1443, 12916), (1924, 9687), (2886, 6458), (3229, 5772)]