18779410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7603}}^1$

素因数の和:7642

約数の個数: 32

約数和(自身を含む): 38324160

約数和(自身を除く): 19544750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7603, 15206, 38015, 76030, 98839, 144457, 197678, 288914, 494195, 722285, 988390, 1444570, 1877941, 3755882, 9389705, 18779410]

約数ペア:

[(1, 18779410), (2, 9389705), (5, 3755882), (10, 1877941), (13, 1444570), (19, 988390), (26, 722285), (38, 494195), (65, 288914), (95, 197678), (130, 144457), (190, 98839), (247, 76030), (494, 38015), (1235, 15206), (2470, 7603)]