18664902

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 23118138

約数列:

[1, 2, 3, 6, 9, 18, 61, 89, 122, 178, 183, 191, 267, 366, 382, 534, 549, 573, 801, 1098, 1146, 1602, 1719, 3438, 5429, 10858, 11651, 16287, 16999, 23302, 32574, 33998, 34953, 48861, 50997, 69906, 97722, 101994, 104859, 152991, 209718, 305982, 1036939, 2073878, 3110817, 6221634, 9332451, 18664902]

約数ペア:

[(1, 18664902), (2, 9332451), (3, 6221634), (6, 3110817), (9, 2073878), (18, 1036939), (61, 305982), (89, 209718), (122, 152991), (178, 104859), (183, 101994), (191, 97722), (267, 69906), (366, 50997), (382, 48861), (534, 34953), (549, 33998), (573, 32574), (801, 23302), (1098, 16999), (1146, 16287), (1602, 11651), (1719, 10858), (3438, 5429)]