18695340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 40272660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 89, 90, 108, 135, 178, 180, 267, 270, 356, 389, 445, 534, 540, 778, 801, 890, 1068, 1167, 1335, 1556, 1602, 1780, 1945, 2334, 2403, 2670, 3204, 3501, 3890, 4005, 4668, 4806, 5340, 5835, 7002, 7780, 8010, 9612, 10503, 11670, 12015, 14004, 16020, 17505, 21006, 23340, 24030, 34621, 35010, 42012, 48060, 52515, 69242, 70020, 103863, 105030, 138484, 173105, 207726, 210060, 311589, 346210, 415452, 519315, 623178, 692420, 934767, 1038630, 1246356, 1557945, 1869534, 2077260, 3115890, 3739068, 4673835, 6231780, 9347670, 18695340]

約数ペア:

[(1, 18695340), (2, 9347670), (3, 6231780), (4, 4673835), (5, 3739068), (6, 3115890), (9, 2077260), (10, 1869534), (12, 1557945), (15, 1246356), (18, 1038630), (20, 934767), (27, 692420), (30, 623178), (36, 519315), (45, 415452), (54, 346210), (60, 311589), (89, 210060), (90, 207726), (108, 173105), (135, 138484), (178, 105030), (180, 103863), (267, 70020), (270, 69242), (356, 52515), (389, 48060), (445, 42012), (534, 35010), (540, 34621), (778, 24030), (801, 23340), (890, 21006), (1068, 17505), (1167, 16020), (1335, 14004), (1556, 12015), (1602, 11670), (1780, 10503), (1945, 9612), (2334, 8010), (2403, 7780), (2670, 7002), (3204, 5835), (3501, 5340), (3890, 4806), (4005, 4668)]