20219418

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 45302400

約数和(自身を除く): 25082982

約数列:

[1, 2, 3, 6, 9, 18, 59, 79, 118, 158, 177, 237, 241, 354, 474, 482, 531, 711, 723, 1062, 1422, 1446, 2169, 4338, 4661, 9322, 13983, 14219, 19039, 27966, 28438, 38078, 41949, 42657, 57117, 83898, 85314, 114234, 127971, 171351, 255942, 342702, 1123301, 2246602, 3369903, 6739806, 10109709, 20219418]

約数ペア:

[(1, 20219418), (2, 10109709), (3, 6739806), (6, 3369903), (9, 2246602), (18, 1123301), (59, 342702), (79, 255942), (118, 171351), (158, 127971), (177, 114234), (237, 85314), (241, 83898), (354, 57117), (474, 42657), (482, 41949), (531, 38078), (711, 28438), (723, 27966), (1062, 19039), (1422, 14219), (1446, 13983), (2169, 9322), (4338, 4661)]