18876468

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5261}}^1$

素因数の和:5304

約数の個数: 48

約数和(自身を含む): 49504896

約数和(自身を除く): 30628428

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 276, 299, 598, 897, 1196, 1794, 3588, 5261, 10522, 15783, 21044, 31566, 63132, 68393, 121003, 136786, 205179, 242006, 273572, 363009, 410358, 484012, 726018, 820716, 1452036, 1573039, 3146078, 4719117, 6292156, 9438234, 18876468]

約数ペア:

[(1, 18876468), (2, 9438234), (3, 6292156), (4, 4719117), (6, 3146078), (12, 1573039), (13, 1452036), (23, 820716), (26, 726018), (39, 484012), (46, 410358), (52, 363009), (69, 273572), (78, 242006), (92, 205179), (138, 136786), (156, 121003), (276, 68393), (299, 63132), (598, 31566), (897, 21044), (1196, 15783), (1794, 10522), (3588, 5261)]