18700038

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 48330240

約数和(自身を除く): 29630202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 61, 63, 122, 126, 183, 189, 366, 378, 427, 549, 811, 854, 1098, 1281, 1622, 1647, 2433, 2562, 3294, 3843, 4866, 5677, 7299, 7686, 11354, 11529, 14598, 17031, 21897, 23058, 34062, 43794, 49471, 51093, 98942, 102186, 148413, 153279, 296826, 306558, 346297, 445239, 692594, 890478, 1038891, 1335717, 2077782, 2671434, 3116673, 6233346, 9350019, 18700038]

約数ペア:

[(1, 18700038), (2, 9350019), (3, 6233346), (6, 3116673), (7, 2671434), (9, 2077782), (14, 1335717), (18, 1038891), (21, 890478), (27, 692594), (42, 445239), (54, 346297), (61, 306558), (63, 296826), (122, 153279), (126, 148413), (183, 102186), (189, 98942), (366, 51093), (378, 49471), (427, 43794), (549, 34062), (811, 23058), (854, 21897), (1098, 17031), (1281, 14598), (1622, 11529), (1647, 11354), (2433, 7686), (2562, 7299), (3294, 5677), (3843, 4866)]