19780152

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 37071048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 419, 562, 838, 843, 1124, 1257, 1676, 1686, 1967, 2248, 2514, 2933, 3352, 3372, 3934, 5028, 5866, 5901, 6744, 7868, 8799, 10056, 11732, 11802, 15736, 17598, 23464, 23604, 35196, 47208, 70392, 117739, 235478, 353217, 470956, 706434, 824173, 941912, 1412868, 1648346, 2472519, 2825736, 3296692, 4945038, 6593384, 9890076, 19780152]

約数ペア:

[(1, 19780152), (2, 9890076), (3, 6593384), (4, 4945038), (6, 3296692), (7, 2825736), (8, 2472519), (12, 1648346), (14, 1412868), (21, 941912), (24, 824173), (28, 706434), (42, 470956), (56, 353217), (84, 235478), (168, 117739), (281, 70392), (419, 47208), (562, 35196), (838, 23604), (843, 23464), (1124, 17598), (1257, 15736), (1676, 11802), (1686, 11732), (1967, 10056), (2248, 8799), (2514, 7868), (2933, 6744), (3352, 5901), (3372, 5866), (3934, 5028)]