1901477968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{83869}}^1$

素因数の和:83999

約数の個数: 40

約数和(自身を含む): 4003953800

約数和(自身を除く): 2102475832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 22672, 83869, 167738, 335476, 670952, 1090297, 1341904, 2180594, 4361188, 8722376, 9141721, 17444752, 18283442, 36566884, 73133768, 118842373, 146267536, 237684746, 475369492, 950738984, 1901477968]

約数ペア:

[(1, 1901477968), (2, 950738984), (4, 475369492), (8, 237684746), (13, 146267536), (16, 118842373), (26, 73133768), (52, 36566884), (104, 18283442), (109, 17444752), (208, 9141721), (218, 8722376), (436, 4361188), (872, 2180594), (1417, 1341904), (1744, 1090297), (2834, 670952), (5668, 335476), (11336, 167738), (22672, 83869)]