18700994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 31328640

約数和(自身を除く): 12627646

約数列:

[1, 2, 13, 26, 59, 73, 118, 146, 167, 334, 767, 949, 1534, 1898, 2171, 4307, 4342, 8614, 9853, 12191, 19706, 24382, 55991, 111982, 128089, 158483, 256178, 316966, 719269, 1438538, 9350497, 18700994]

約数ペア:

[(1, 18700994), (2, 9350497), (13, 1438538), (26, 719269), (59, 316966), (73, 256178), (118, 158483), (146, 128089), (167, 111982), (334, 55991), (767, 24382), (949, 19706), (1534, 12191), (1898, 9853), (2171, 8614), (4307, 4342)]