19648916

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{22637}}^1$

素因数の和:22679

約数の個数: 24

約数和(自身を含む): 40567296

約数和(自身を除く): 20918380

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 22637, 45274, 90548, 158459, 316918, 633836, 701747, 1403494, 2806988, 4912229, 9824458, 19648916]

約数ペア:

[(1, 19648916), (2, 9824458), (4, 4912229), (7, 2806988), (14, 1403494), (28, 701747), (31, 633836), (62, 316918), (124, 158459), (217, 90548), (434, 45274), (868, 22637)]