19626945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 34038144

約数和(自身を除く): 14411199

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 251, 401, 753, 1203, 1255, 2005, 3263, 3765, 5213, 6015, 9789, 15639, 16315, 26065, 48945, 78195, 100651, 301953, 503255, 1308463, 1509765, 3925389, 6542315, 19626945]

約数ペア:

[(1, 19626945), (3, 6542315), (5, 3925389), (13, 1509765), (15, 1308463), (39, 503255), (65, 301953), (195, 100651), (251, 78195), (401, 48945), (753, 26065), (1203, 16315), (1255, 15639), (2005, 9789), (3263, 6015), (3765, 5213)]