19515868

素因数分解:

$2^2\times {\mathrm{23}}^3\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 24

約数和(自身を含む): 35794080

約数和(自身を除く): 16278212

約数列:

[1, 2, 4, 23, 46, 92, 401, 529, 802, 1058, 1604, 2116, 9223, 12167, 18446, 24334, 36892, 48668, 212129, 424258, 848516, 4878967, 9757934, 19515868]

約数ペア:

[(1, 19515868), (2, 9757934), (4, 4878967), (23, 848516), (46, 424258), (92, 212129), (401, 48668), (529, 36892), (802, 24334), (1058, 18446), (1604, 12167), (2116, 9223)]