18995994

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 43280640

約数和(自身を除く): 24284646

約数列:

[1, 2, 3, 6, 9, 18, 31, 59, 62, 93, 118, 177, 186, 279, 354, 531, 558, 577, 1062, 1154, 1731, 1829, 3462, 3658, 5193, 5487, 10386, 10974, 16461, 17887, 32922, 34043, 35774, 53661, 68086, 102129, 107322, 160983, 204258, 306387, 321966, 612774, 1055333, 2110666, 3165999, 6331998, 9497997, 18995994]

約数ペア:

[(1, 18995994), (2, 9497997), (3, 6331998), (6, 3165999), (9, 2110666), (18, 1055333), (31, 612774), (59, 321966), (62, 306387), (93, 204258), (118, 160983), (177, 107322), (186, 102129), (279, 68086), (354, 53661), (531, 35774), (558, 34043), (577, 32922), (1062, 17887), (1154, 16461), (1731, 10974), (1829, 10386), (3462, 5487), (3658, 5193)]