219645828

素因数分解:

$2^2\times 3^2\times {\mathrm{499}}^1\times {\mathrm{12227}}^1$

素因数の和:12736

約数の個数: 36

約数和(自身を含む): 556374000

約数和(自身を除く): 336728172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 499, 998, 1497, 1996, 2994, 4491, 5988, 8982, 12227, 17964, 24454, 36681, 48908, 73362, 110043, 146724, 220086, 440172, 6101273, 12202546, 18303819, 24405092, 36607638, 54911457, 73215276, 109822914, 219645828]

約数ペア:

[(1, 219645828), (2, 109822914), (3, 73215276), (4, 54911457), (6, 36607638), (9, 24405092), (12, 18303819), (18, 12202546), (36, 6101273), (499, 440172), (998, 220086), (1497, 146724), (1996, 110043), (2994, 73362), (4491, 48908), (5988, 36681), (8982, 24454), (12227, 17964)]