19703916

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 53071200

約数和(自身を除く): 33367284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 449, 477, 636, 828, 898, 954, 1219, 1347, 1796, 1908, 2438, 2694, 3657, 4041, 4876, 5388, 7314, 8082, 10327, 10971, 14628, 16164, 20654, 21942, 23797, 30981, 41308, 43884, 47594, 61962, 71391, 92943, 95188, 123924, 142782, 185886, 214173, 285564, 371772, 428346, 547331, 856692, 1094662, 1641993, 2189324, 3283986, 4925979, 6567972, 9851958, 19703916]

約数ペア:

[(1, 19703916), (2, 9851958), (3, 6567972), (4, 4925979), (6, 3283986), (9, 2189324), (12, 1641993), (18, 1094662), (23, 856692), (36, 547331), (46, 428346), (53, 371772), (69, 285564), (92, 214173), (106, 185886), (138, 142782), (159, 123924), (207, 95188), (212, 92943), (276, 71391), (318, 61962), (414, 47594), (449, 43884), (477, 41308), (636, 30981), (828, 23797), (898, 21942), (954, 20654), (1219, 16164), (1347, 14628), (1796, 10971), (1908, 10327), (2438, 8082), (2694, 7314), (3657, 5388), (4041, 4876)]