19228419

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 33339072

約数和(自身を除く): 14110653

約数列:

[1, 3, 7, 9, 21, 37, 63, 73, 111, 113, 219, 259, 333, 339, 511, 657, 777, 791, 1017, 1533, 2331, 2373, 2701, 4181, 4599, 7119, 8103, 8249, 12543, 18907, 24309, 24747, 29267, 37629, 56721, 57743, 74241, 87801, 170163, 173229, 263403, 305213, 519687, 915639, 2136491, 2746917, 6409473, 19228419]

約数ペア:

[(1, 19228419), (3, 6409473), (7, 2746917), (9, 2136491), (21, 915639), (37, 519687), (63, 305213), (73, 263403), (111, 173229), (113, 170163), (219, 87801), (259, 74241), (333, 57743), (339, 56721), (511, 37629), (657, 29267), (777, 24747), (791, 24309), (1017, 18907), (1533, 12543), (2331, 8249), (2373, 8103), (2701, 7119), (4181, 4599)]