19926372

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 50415904

約数和(自身を除く): 30489532

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 73, 86, 92, 129, 138, 146, 172, 219, 258, 276, 292, 438, 516, 529, 876, 989, 1058, 1587, 1679, 1978, 2116, 2967, 3139, 3174, 3358, 3956, 5037, 5934, 6278, 6348, 6716, 9417, 10074, 11868, 12556, 18834, 20148, 22747, 37668, 38617, 45494, 68241, 72197, 77234, 90988, 115851, 136482, 144394, 154468, 216591, 231702, 272964, 288788, 433182, 463404, 866364, 1660531, 3321062, 4981593, 6642124, 9963186, 19926372]

約数ペア:

[(1, 19926372), (2, 9963186), (3, 6642124), (4, 4981593), (6, 3321062), (12, 1660531), (23, 866364), (43, 463404), (46, 433182), (69, 288788), (73, 272964), (86, 231702), (92, 216591), (129, 154468), (138, 144394), (146, 136482), (172, 115851), (219, 90988), (258, 77234), (276, 72197), (292, 68241), (438, 45494), (516, 38617), (529, 37668), (876, 22747), (989, 20148), (1058, 18834), (1587, 12556), (1679, 11868), (1978, 10074), (2116, 9417), (2967, 6716), (3139, 6348), (3174, 6278), (3358, 5934), (3956, 5037)]