18888648

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 49248000

約数和(自身を除く): 30359352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 89, 111, 148, 178, 222, 239, 267, 296, 356, 444, 478, 534, 712, 717, 888, 956, 1068, 1434, 1912, 2136, 2868, 3293, 5736, 6586, 8843, 9879, 13172, 17686, 19758, 21271, 26344, 26529, 35372, 39516, 42542, 53058, 63813, 70744, 79032, 85084, 106116, 127626, 170168, 212232, 255252, 510504, 787027, 1574054, 2361081, 3148108, 4722162, 6296216, 9444324, 18888648]

約数ペア:

[(1, 18888648), (2, 9444324), (3, 6296216), (4, 4722162), (6, 3148108), (8, 2361081), (12, 1574054), (24, 787027), (37, 510504), (74, 255252), (89, 212232), (111, 170168), (148, 127626), (178, 106116), (222, 85084), (239, 79032), (267, 70744), (296, 63813), (356, 53058), (444, 42542), (478, 39516), (534, 35372), (712, 26529), (717, 26344), (888, 21271), (956, 19758), (1068, 17686), (1434, 13172), (1912, 9879), (2136, 8843), (2868, 6586), (3293, 5736)]