18477627819

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{937}}^1\times {\mathrm{2837}}^1$

素因数の和:4115

約数の個数: 32

約数和(自身を含む): 28281555456

約数和(自身を除く): 9803927637

約数列:

[1, 3, 7, 21, 331, 937, 993, 2317, 2811, 2837, 6559, 6951, 8511, 19677, 19859, 59577, 310147, 930441, 939047, 2171029, 2658269, 2817141, 6513087, 6573329, 7974807, 18607883, 19719987, 55823649, 879887039, 2639661117, 6159209273, 18477627819]

約数ペア:

[(1, 18477627819), (3, 6159209273), (7, 2639661117), (21, 879887039), (331, 55823649), (937, 19719987), (993, 18607883), (2317, 7974807), (2811, 6573329), (2837, 6513087), (6559, 2817141), (6951, 2658269), (8511, 2171029), (19677, 939047), (19859, 930441), (59577, 310147)]