18889626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 44925696

約数和(自身を除く): 26036070

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 73, 101, 122, 146, 183, 202, 219, 303, 366, 427, 438, 511, 606, 707, 854, 1022, 1281, 1414, 1533, 2121, 2562, 3066, 4242, 4453, 6161, 7373, 8906, 12322, 13359, 14746, 18483, 22119, 26718, 31171, 36966, 43127, 44238, 51611, 62342, 86254, 93513, 103222, 129381, 154833, 187026, 258762, 309666, 449753, 899506, 1349259, 2698518, 3148271, 6296542, 9444813, 18889626]

約数ペア:

[(1, 18889626), (2, 9444813), (3, 6296542), (6, 3148271), (7, 2698518), (14, 1349259), (21, 899506), (42, 449753), (61, 309666), (73, 258762), (101, 187026), (122, 154833), (146, 129381), (183, 103222), (202, 93513), (219, 86254), (303, 62342), (366, 51611), (427, 44238), (438, 43127), (511, 36966), (606, 31171), (707, 26718), (854, 22119), (1022, 18483), (1281, 14746), (1414, 13359), (1533, 12322), (2121, 8906), (2562, 7373), (3066, 6161), (4242, 4453)]