19871976

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 31737624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 79, 94, 141, 158, 188, 223, 237, 282, 316, 376, 446, 474, 564, 632, 669, 892, 948, 1128, 1338, 1784, 1896, 2676, 3713, 5352, 7426, 10481, 11139, 14852, 17617, 20962, 22278, 29704, 31443, 35234, 41924, 44556, 52851, 62886, 70468, 83848, 89112, 105702, 125772, 140936, 211404, 251544, 422808, 827999, 1655998, 2483997, 3311996, 4967994, 6623992, 9935988, 19871976]

約数ペア:

[(1, 19871976), (2, 9935988), (3, 6623992), (4, 4967994), (6, 3311996), (8, 2483997), (12, 1655998), (24, 827999), (47, 422808), (79, 251544), (94, 211404), (141, 140936), (158, 125772), (188, 105702), (223, 89112), (237, 83848), (282, 70468), (316, 62886), (376, 52851), (446, 44556), (474, 41924), (564, 35234), (632, 31443), (669, 29704), (892, 22278), (948, 20962), (1128, 17617), (1338, 14852), (1784, 11139), (1896, 10481), (2676, 7426), (3713, 5352)]