19697808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31567}}^1$

素因数の和:31591

約数の個数: 40

約数和(自身を含む): 54802048

約数和(自身を除く): 35104240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 31567, 63134, 94701, 126268, 189402, 252536, 378804, 410371, 505072, 757608, 820742, 1231113, 1515216, 1641484, 2462226, 3282968, 4924452, 6565936, 9848904, 19697808]

約数ペア:

[(1, 19697808), (2, 9848904), (3, 6565936), (4, 4924452), (6, 3282968), (8, 2462226), (12, 1641484), (13, 1515216), (16, 1231113), (24, 820742), (26, 757608), (39, 505072), (48, 410371), (52, 378804), (78, 252536), (104, 189402), (156, 126268), (208, 94701), (312, 63134), (624, 31567)]