19409872

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 39211776

約数和(自身を除く): 19801904

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 212, 376, 424, 487, 752, 848, 974, 1948, 2491, 3896, 4982, 7792, 9964, 19928, 22889, 25811, 39856, 45778, 51622, 91556, 103244, 183112, 206488, 366224, 412976, 1213117, 2426234, 4852468, 9704936, 19409872]

約数ペア:

[(1, 19409872), (2, 9704936), (4, 4852468), (8, 2426234), (16, 1213117), (47, 412976), (53, 366224), (94, 206488), (106, 183112), (188, 103244), (212, 91556), (376, 51622), (424, 45778), (487, 39856), (752, 25811), (848, 22889), (974, 19928), (1948, 9964), (2491, 7792), (3896, 4982)]