18657430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 20740970

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 79, 95, 110, 113, 158, 190, 209, 226, 395, 418, 565, 790, 869, 1045, 1130, 1243, 1501, 1738, 2090, 2147, 2486, 3002, 4294, 4345, 6215, 7505, 8690, 8927, 10735, 12430, 15010, 16511, 17854, 21470, 23617, 33022, 44635, 47234, 82555, 89270, 98197, 118085, 165110, 169613, 196394, 236170, 339226, 490985, 848065, 981970, 1696130, 1865743, 3731486, 9328715, 18657430]

約数ペア:

[(1, 18657430), (2, 9328715), (5, 3731486), (10, 1865743), (11, 1696130), (19, 981970), (22, 848065), (38, 490985), (55, 339226), (79, 236170), (95, 196394), (110, 169613), (113, 165110), (158, 118085), (190, 98197), (209, 89270), (226, 82555), (395, 47234), (418, 44635), (565, 33022), (790, 23617), (869, 21470), (1045, 17854), (1130, 16511), (1243, 15010), (1501, 12430), (1738, 10735), (2090, 8927), (2147, 8690), (2486, 7505), (3002, 6215), (4294, 4345)]