19389918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2256

約数の個数: 32

約数和(自身を含む): 41356800

約数和(自身を除く): 21966882

約数列:

[1, 2, 3, 6, 19, 38, 57, 79, 114, 158, 237, 474, 1501, 2153, 3002, 4306, 4503, 6459, 9006, 12918, 40907, 81814, 122721, 170087, 245442, 340174, 510261, 1020522, 3231653, 6463306, 9694959, 19389918]

約数ペア:

[(1, 19389918), (2, 9694959), (3, 6463306), (6, 3231653), (19, 1020522), (38, 510261), (57, 340174), (79, 245442), (114, 170087), (158, 122721), (237, 81814), (474, 40907), (1501, 12918), (2153, 9006), (3002, 6459), (4306, 4503)]