19530868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22501}}^1$

素因数の和:22543

約数の個数: 24

約数和(自身を含む): 40323584

約数和(自身を除く): 20792716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22501, 45002, 90004, 157507, 315014, 630028, 697531, 1395062, 2790124, 4882717, 9765434, 19530868]

約数ペア:

[(1, 19530868), (2, 9765434), (4, 4882717), (7, 2790124), (14, 1395062), (28, 697531), (31, 630028), (62, 315014), (124, 157507), (217, 90004), (434, 45002), (868, 22501)]