15489968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{74471}}^1$

素因数の和:74492

約数の個数: 20

約数和(自身を含む): 32320848

約数和(自身を除く): 16830880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 74471, 148942, 297884, 595768, 968123, 1191536, 1936246, 3872492, 7744984, 15489968]

約数ペア:

[(1, 15489968), (2, 7744984), (4, 3872492), (8, 1936246), (13, 1191536), (16, 968123), (26, 595768), (52, 297884), (104, 148942), (208, 74471)]