19983465

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15313}}^1$

素因数の和:15353

約数の個数: 24

約数和(自身を含む): 35834760

約数和(自身を除く): 15851295

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15313, 45939, 76565, 137817, 229695, 444077, 689085, 1332231, 2220385, 3996693, 6661155, 19983465]

約数ペア:

[(1, 19983465), (3, 6661155), (5, 3996693), (9, 2220385), (15, 1332231), (29, 689085), (45, 444077), (87, 229695), (145, 137817), (261, 76565), (435, 45939), (1305, 15313)]