19460180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 24145900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 617, 830, 1234, 1577, 1660, 2468, 3085, 3154, 6170, 6308, 7885, 11723, 12340, 15770, 23446, 31540, 46892, 51211, 58615, 102422, 117230, 204844, 234460, 256055, 512110, 973009, 1024220, 1946018, 3892036, 4865045, 9730090, 19460180]

約数ペア:

[(1, 19460180), (2, 9730090), (4, 4865045), (5, 3892036), (10, 1946018), (19, 1024220), (20, 973009), (38, 512110), (76, 256055), (83, 234460), (95, 204844), (166, 117230), (190, 102422), (332, 58615), (380, 51211), (415, 46892), (617, 31540), (830, 23446), (1234, 15770), (1577, 12340), (1660, 11723), (2468, 7885), (3085, 6308), (3154, 6170)]