19494493487

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{4493}}^1$

素因数の和:4656

約数の個数: 48

約数和(自身を含む): 25148999232

約数和(自身を除く): 5654505745

約数列:

[1, 7, 17, 19, 101, 119, 133, 323, 361, 707, 1717, 1919, 2261, 2527, 4493, 6137, 12019, 13433, 31451, 32623, 36461, 42959, 76381, 85367, 228361, 255227, 453793, 534667, 597569, 619837, 1451239, 1621973, 3176551, 4338859, 7714481, 8622067, 10158673, 11353811, 27573541, 54001367, 60354469, 146575139, 163819273, 193014787, 1026025973, 1146734911, 2784927641, 19494493487]

約数ペア:

[(1, 19494493487), (7, 2784927641), (17, 1146734911), (19, 1026025973), (101, 193014787), (119, 163819273), (133, 146575139), (323, 60354469), (361, 54001367), (707, 27573541), (1717, 11353811), (1919, 10158673), (2261, 8622067), (2527, 7714481), (4493, 4338859), (6137, 3176551), (12019, 1621973), (13433, 1451239), (31451, 619837), (32623, 597569), (36461, 534667), (42959, 453793), (76381, 255227), (85367, 228361)]