19477980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108211}}^1$

素因数の和:108226

約数の個数: 36

約数和(自身を含む): 59083752

約数和(自身を除く): 39605772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108211, 216422, 324633, 432844, 541055, 649266, 973899, 1082110, 1298532, 1623165, 1947798, 2164220, 3246330, 3895596, 4869495, 6492660, 9738990, 19477980]

約数ペア:

[(1, 19477980), (2, 9738990), (3, 6492660), (4, 4869495), (5, 3895596), (6, 3246330), (9, 2164220), (10, 1947798), (12, 1623165), (15, 1298532), (18, 1082110), (20, 973899), (30, 649266), (36, 541055), (45, 432844), (60, 324633), (90, 216422), (180, 108211)]