19236645

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 35568000

約数和(自身を除く): 16331355

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 149, 151, 171, 285, 447, 453, 745, 755, 855, 1341, 1359, 2235, 2265, 2831, 2869, 6705, 6795, 8493, 8607, 14155, 14345, 22499, 25479, 25821, 42465, 43035, 67497, 112495, 127395, 129105, 202491, 337485, 427481, 1012455, 1282443, 2137405, 3847329, 6412215, 19236645]

約数ペア:

[(1, 19236645), (3, 6412215), (5, 3847329), (9, 2137405), (15, 1282443), (19, 1012455), (45, 427481), (57, 337485), (95, 202491), (149, 129105), (151, 127395), (171, 112495), (285, 67497), (447, 43035), (453, 42465), (745, 25821), (755, 25479), (855, 22499), (1341, 14345), (1359, 14155), (2235, 8607), (2265, 8493), (2831, 6795), (2869, 6705)]