17978820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3793}}^1$

素因数の和:3884

約数の個数: 48

約数和(自身を含む): 50991360

約数和(自身を除く): 33012540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 3793, 4740, 7586, 11379, 15172, 18965, 22758, 37930, 45516, 56895, 75860, 113790, 227580, 299647, 599294, 898941, 1198588, 1498235, 1797882, 2996470, 3595764, 4494705, 5992940, 8989410, 17978820]

約数ペア:

[(1, 17978820), (2, 8989410), (3, 5992940), (4, 4494705), (5, 3595764), (6, 2996470), (10, 1797882), (12, 1498235), (15, 1198588), (20, 898941), (30, 599294), (60, 299647), (79, 227580), (158, 113790), (237, 75860), (316, 56895), (395, 45516), (474, 37930), (790, 22758), (948, 18965), (1185, 15172), (1580, 11379), (2370, 7586), (3793, 4740)]