19720548

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2273}}^1$

素因数の和:2524

約数の個数: 36

約数和(自身を含む): 50078028

約数和(自身を除く): 30357480

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2273, 2892, 4338, 4546, 6819, 8676, 9092, 13638, 20457, 27276, 40914, 81828, 547793, 1095586, 1643379, 2191172, 3286758, 4930137, 6573516, 9860274, 19720548]

約数ペア:

[(1, 19720548), (2, 9860274), (3, 6573516), (4, 4930137), (6, 3286758), (9, 2191172), (12, 1643379), (18, 1095586), (36, 547793), (241, 81828), (482, 40914), (723, 27276), (964, 20457), (1446, 13638), (2169, 9092), (2273, 8676), (2892, 6819), (4338, 4546)]