19819656

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1823}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 54063360

約数和(自身を除く): 34243704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1823, 2718, 3624, 3646, 5436, 5469, 7292, 10872, 10938, 14584, 16407, 21876, 32814, 43752, 65628, 131256, 275273, 550546, 825819, 1101092, 1651638, 2202184, 2477457, 3303276, 4954914, 6606552, 9909828, 19819656]

約数ペア:

[(1, 19819656), (2, 9909828), (3, 6606552), (4, 4954914), (6, 3303276), (8, 2477457), (9, 2202184), (12, 1651638), (18, 1101092), (24, 825819), (36, 550546), (72, 275273), (151, 131256), (302, 65628), (453, 43752), (604, 32814), (906, 21876), (1208, 16407), (1359, 14584), (1812, 10938), (1823, 10872), (2718, 7292), (3624, 5469), (3646, 5436)]