19927812

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 48142080

約数和(自身を除く): 28214268

約数列:

[1, 2, 3, 4, 6, 12, 47, 89, 94, 141, 178, 188, 267, 282, 356, 397, 534, 564, 794, 1068, 1191, 1588, 2382, 4183, 4764, 8366, 12549, 16732, 18659, 25098, 35333, 37318, 50196, 55977, 70666, 74636, 105999, 111954, 141332, 211998, 223908, 423996, 1660651, 3321302, 4981953, 6642604, 9963906, 19927812]

約数ペア:

[(1, 19927812), (2, 9963906), (3, 6642604), (4, 4981953), (6, 3321302), (12, 1660651), (47, 423996), (89, 223908), (94, 211998), (141, 141332), (178, 111954), (188, 105999), (267, 74636), (282, 70666), (356, 55977), (397, 50196), (534, 37318), (564, 35333), (794, 25098), (1068, 18659), (1191, 16732), (1588, 12549), (2382, 8366), (4183, 4764)]