19519836

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 53721360

約数和(自身を除く): 34201524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 373, 534, 588, 623, 746, 1068, 1119, 1246, 1492, 1869, 2238, 2492, 2611, 3738, 4361, 4476, 5222, 7476, 7833, 8722, 10444, 13083, 15666, 17444, 18277, 26166, 31332, 33197, 36554, 52332, 54831, 66394, 73108, 99591, 109662, 132788, 199182, 219324, 232379, 398364, 464758, 697137, 929516, 1394274, 1626653, 2788548, 3253306, 4879959, 6506612, 9759918, 19519836]

約数ペア:

[(1, 19519836), (2, 9759918), (3, 6506612), (4, 4879959), (6, 3253306), (7, 2788548), (12, 1626653), (14, 1394274), (21, 929516), (28, 697137), (42, 464758), (49, 398364), (84, 232379), (89, 219324), (98, 199182), (147, 132788), (178, 109662), (196, 99591), (267, 73108), (294, 66394), (356, 54831), (373, 52332), (534, 36554), (588, 33197), (623, 31332), (746, 26166), (1068, 18277), (1119, 17444), (1246, 15666), (1492, 13083), (1869, 10444), (2238, 8722), (2492, 7833), (2611, 7476), (3738, 5222), (4361, 4476)]