19993716

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2683}}^1$

素因数の和:2722

約数の個数: 60

約数和(自身を含む): 54560352

約数和(自身を除く): 34566636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2683, 3726, 5366, 7452, 8049, 10732, 16098, 24147, 32196, 48294, 61709, 72441, 96588, 123418, 144882, 185127, 217323, 246836, 289764, 370254, 434646, 555381, 740508, 869292, 1110762, 1666143, 2221524, 3332286, 4998429, 6664572, 9996858, 19993716]

約数ペア:

[(1, 19993716), (2, 9996858), (3, 6664572), (4, 4998429), (6, 3332286), (9, 2221524), (12, 1666143), (18, 1110762), (23, 869292), (27, 740508), (36, 555381), (46, 434646), (54, 370254), (69, 289764), (81, 246836), (92, 217323), (108, 185127), (138, 144882), (162, 123418), (207, 96588), (276, 72441), (324, 61709), (414, 48294), (621, 32196), (828, 24147), (1242, 16098), (1863, 10732), (2484, 8049), (2683, 7452), (3726, 5366)]