19976688

素因数分解:

$2^4\times 3^2\times {\mathrm{138727}}^1$

素因数の和:138741

約数の個数: 30

約数和(自身を含む): 55907384

約数和(自身を除く): 35930696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138727, 277454, 416181, 554908, 832362, 1109816, 1248543, 1664724, 2219632, 2497086, 3329448, 4994172, 6658896, 9988344, 19976688]

約数ペア:

[(1, 19976688), (2, 9988344), (3, 6658896), (4, 4994172), (6, 3329448), (8, 2497086), (9, 2219632), (12, 1664724), (16, 1248543), (18, 1109816), (24, 832362), (36, 554908), (48, 416181), (72, 277454), (144, 138727)]