196910015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{397}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 261342720

約数和(自身を除く): 64432705

約数列:

[1, 5, 19, 23, 95, 115, 227, 397, 437, 1135, 1985, 2185, 4313, 5221, 7543, 9131, 21565, 26105, 37715, 45655, 90119, 99199, 173489, 450595, 495995, 867445, 1712261, 2072737, 8561305, 10363685, 39382003, 196910015]

約数ペア:

[(1, 196910015), (5, 39382003), (19, 10363685), (23, 8561305), (95, 2072737), (115, 1712261), (227, 867445), (397, 495995), (437, 450595), (1135, 173489), (1985, 99199), (2185, 90119), (4313, 45655), (5221, 37715), (7543, 26105), (9131, 21565)]