18834220

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1429}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 39639600

約数和(自身を除く): 20805380

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 1429, 2636, 2858, 3295, 5716, 6590, 7145, 13180, 14290, 28580, 941711, 1883422, 3766844, 4708555, 9417110, 18834220]

約数ペア:

[(1, 18834220), (2, 9417110), (4, 4708555), (5, 3766844), (10, 1883422), (20, 941711), (659, 28580), (1318, 14290), (1429, 13180), (2636, 7145), (2858, 6590), (3295, 5716)]