19915968

素因数分解:

$2^6\times 3^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2269

約数の個数: 56

約数和(自身を含む): 53839872

約数和(自身を除く): 33923904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 141, 188, 192, 282, 376, 564, 752, 1128, 1504, 2207, 2256, 3008, 4414, 4512, 6621, 8828, 9024, 13242, 17656, 26484, 35312, 52968, 70624, 103729, 105936, 141248, 207458, 211872, 311187, 414916, 423744, 622374, 829832, 1244748, 1659664, 2489496, 3319328, 4978992, 6638656, 9957984, 19915968]

約数ペア:

[(1, 19915968), (2, 9957984), (3, 6638656), (4, 4978992), (6, 3319328), (8, 2489496), (12, 1659664), (16, 1244748), (24, 829832), (32, 622374), (47, 423744), (48, 414916), (64, 311187), (94, 211872), (96, 207458), (141, 141248), (188, 105936), (192, 103729), (282, 70624), (376, 52968), (564, 35312), (752, 26484), (1128, 17656), (1504, 13242), (2207, 9024), (2256, 8828), (3008, 6621), (4414, 4512)]