18950620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3169}}^1$

素因数の和:3214

約数の個数: 48

約数和(自身を含む): 44735040

約数和(自身を除く): 25784420

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3169, 5980, 6338, 12676, 15845, 31690, 41197, 63380, 72887, 82394, 145774, 164788, 205985, 291548, 364435, 411970, 728870, 823940, 947531, 1457740, 1895062, 3790124, 4737655, 9475310, 18950620]

約数ペア:

[(1, 18950620), (2, 9475310), (4, 4737655), (5, 3790124), (10, 1895062), (13, 1457740), (20, 947531), (23, 823940), (26, 728870), (46, 411970), (52, 364435), (65, 291548), (92, 205985), (115, 164788), (130, 145774), (230, 82394), (260, 72887), (299, 63380), (460, 41197), (598, 31690), (1196, 15845), (1495, 12676), (2990, 6338), (3169, 5980)]