18975627

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 32148480

約数和(自身を除く): 13172853

約数列:

[1, 3, 9, 11, 27, 31, 33, 81, 93, 99, 229, 243, 279, 297, 341, 687, 837, 891, 1023, 2061, 2511, 2519, 2673, 3069, 6183, 7099, 7533, 7557, 9207, 18549, 21297, 22671, 27621, 55647, 63891, 68013, 78089, 82863, 191673, 204039, 234267, 575019, 612117, 702801, 1725057, 2108403, 6325209, 18975627]

約数ペア:

[(1, 18975627), (3, 6325209), (9, 2108403), (11, 1725057), (27, 702801), (31, 612117), (33, 575019), (81, 234267), (93, 204039), (99, 191673), (229, 82863), (243, 78089), (279, 68013), (297, 63891), (341, 55647), (687, 27621), (837, 22671), (891, 21297), (1023, 18549), (2061, 9207), (2511, 7557), (2519, 7533), (2673, 7099), (3069, 6183)]