19009978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1122

約数の個数: 32

約数和(自身を含む): 33339600

約数和(自身を除く): 14329622

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 221, 442, 533, 697, 1049, 1066, 1394, 2098, 9061, 13637, 17833, 18122, 27274, 35666, 43009, 86018, 231829, 463658, 559117, 731153, 1118234, 1462306, 9504989, 19009978]

約数ペア:

[(1, 19009978), (2, 9504989), (13, 1462306), (17, 1118234), (26, 731153), (34, 559117), (41, 463658), (82, 231829), (221, 86018), (442, 43009), (533, 35666), (697, 27274), (1049, 18122), (1066, 17833), (1394, 13637), (2098, 9061)]