18718020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2039}}^1$

素因数の和:2074

約数の個数: 96

約数和(自身を含む): 61689600

約数和(自身を除く): 42971580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 306, 340, 459, 510, 540, 612, 765, 918, 1020, 1530, 1836, 2039, 2295, 3060, 4078, 4590, 6117, 8156, 9180, 10195, 12234, 18351, 20390, 24468, 30585, 34663, 36702, 40780, 55053, 61170, 69326, 73404, 91755, 103989, 110106, 122340, 138652, 173315, 183510, 207978, 220212, 275265, 311967, 346630, 367020, 415956, 519945, 550530, 623934, 693260, 935901, 1039890, 1101060, 1247868, 1559835, 1871802, 2079780, 3119670, 3743604, 4679505, 6239340, 9359010, 18718020]

約数ペア:

[(1, 18718020), (2, 9359010), (3, 6239340), (4, 4679505), (5, 3743604), (6, 3119670), (9, 2079780), (10, 1871802), (12, 1559835), (15, 1247868), (17, 1101060), (18, 1039890), (20, 935901), (27, 693260), (30, 623934), (34, 550530), (36, 519945), (45, 415956), (51, 367020), (54, 346630), (60, 311967), (68, 275265), (85, 220212), (90, 207978), (102, 183510), (108, 173315), (135, 138652), (153, 122340), (170, 110106), (180, 103989), (204, 91755), (255, 73404), (270, 69326), (306, 61170), (340, 55053), (459, 40780), (510, 36702), (540, 34663), (612, 30585), (765, 24468), (918, 20390), (1020, 18351), (1530, 12234), (1836, 10195), (2039, 9180), (2295, 8156), (3060, 6117), (4078, 4590)]