19968174

素因数分解:

$2^1\times 3^3\times {\mathrm{53}}^1\times {\mathrm{6977}}^1$

素因数の和:7041

約数の個数: 32

約数和(自身を含む): 45217440

約数和(自身を除く): 25249266

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 106, 159, 318, 477, 954, 1431, 2862, 6977, 13954, 20931, 41862, 62793, 125586, 188379, 369781, 376758, 739562, 1109343, 2218686, 3328029, 6656058, 9984087, 19968174]

約数ペア:

[(1, 19968174), (2, 9984087), (3, 6656058), (6, 3328029), (9, 2218686), (18, 1109343), (27, 739562), (53, 376758), (54, 369781), (106, 188379), (159, 125586), (318, 62793), (477, 41862), (954, 20931), (1431, 13954), (2862, 6977)]