19687770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9511}}^1$

素因数の和:9547

約数の個数: 48

約数和(自身を含む): 53419392

約数和(自身を除く): 33731622

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9511, 19022, 28533, 47555, 57066, 85599, 95110, 142665, 171198, 218753, 285330, 427995, 437506, 656259, 855990, 1093765, 1312518, 1968777, 2187530, 3281295, 3937554, 6562590, 9843885, 19687770]

約数ペア:

[(1, 19687770), (2, 9843885), (3, 6562590), (5, 3937554), (6, 3281295), (9, 2187530), (10, 1968777), (15, 1312518), (18, 1093765), (23, 855990), (30, 656259), (45, 437506), (46, 427995), (69, 285330), (90, 218753), (115, 171198), (138, 142665), (207, 95110), (230, 85599), (345, 57066), (414, 47555), (690, 28533), (1035, 19022), (2070, 9511)]