13013860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 30038400

約数和(自身を除く): 17024540

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1489, 1748, 2185, 2978, 4370, 5956, 7445, 8740, 14890, 28291, 29780, 34247, 56582, 68494, 113164, 136988, 141455, 171235, 282910, 342470, 565820, 650693, 684940, 1301386, 2602772, 3253465, 6506930, 13013860]

約数ペア:

[(1, 13013860), (2, 6506930), (4, 3253465), (5, 2602772), (10, 1301386), (19, 684940), (20, 650693), (23, 565820), (38, 342470), (46, 282910), (76, 171235), (92, 141455), (95, 136988), (115, 113164), (190, 68494), (230, 56582), (380, 34247), (437, 29780), (460, 28291), (874, 14890), (1489, 8740), (1748, 7445), (2185, 5956), (2978, 4370)]