19698040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12011}}^1$

素因数の和:12063

約数の個数: 32

約数和(自身を含む): 45405360

約数和(自身を除く): 25707320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12011, 24022, 48044, 60055, 96088, 120110, 240220, 480440, 492451, 984902, 1969804, 2462255, 3939608, 4924510, 9849020, 19698040]

約数ペア:

[(1, 19698040), (2, 9849020), (4, 4924510), (5, 3939608), (8, 2462255), (10, 1969804), (20, 984902), (40, 492451), (41, 480440), (82, 240220), (164, 120110), (205, 96088), (328, 60055), (410, 48044), (820, 24022), (1640, 12011)]