19873136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73063}}^1$

素因数の和:73088

約数の個数: 20

約数和(自身を含む): 40769712

約数和(自身を除く): 20896576

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 73063, 146126, 292252, 584504, 1169008, 1242071, 2484142, 4968284, 9936568, 19873136]

約数ペア:

[(1, 19873136), (2, 9936568), (4, 4968284), (8, 2484142), (16, 1242071), (17, 1169008), (34, 584504), (68, 292252), (136, 146126), (272, 73063)]