19407455

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 26516160

約数和(自身を除く): 7108705

約数列:

[1, 5, 17, 19, 61, 85, 95, 197, 305, 323, 985, 1037, 1159, 1615, 3349, 3743, 5185, 5795, 12017, 16745, 18715, 19703, 60085, 63631, 98515, 204289, 228323, 318155, 1021445, 1141615, 3881491, 19407455]

約数ペア:

[(1, 19407455), (5, 3881491), (17, 1141615), (19, 1021445), (61, 318155), (85, 228323), (95, 204289), (197, 98515), (305, 63631), (323, 60085), (985, 19703), (1037, 18715), (1159, 16745), (1615, 12017), (3349, 5795), (3743, 5185)]