19767320

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1493}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 44640720

約数和(自身を除く): 24873400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1493, 1655, 2648, 2986, 3310, 5972, 6620, 7465, 11944, 13240, 14930, 29860, 59720, 494183, 988366, 1976732, 2470915, 3953464, 4941830, 9883660, 19767320]

約数ペア:

[(1, 19767320), (2, 9883660), (4, 4941830), (5, 3953464), (8, 2470915), (10, 1976732), (20, 988366), (40, 494183), (331, 59720), (662, 29860), (1324, 14930), (1493, 13240), (1655, 11944), (2648, 7465), (2986, 6620), (3310, 5972)]