19688544

素因数分解:

$2^5\times 3^2\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 56511000

約数和(自身を除く): 36822456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 137, 144, 274, 288, 411, 499, 548, 822, 998, 1096, 1233, 1497, 1644, 1996, 2192, 2466, 2994, 3288, 3992, 4384, 4491, 4932, 5988, 6576, 7984, 8982, 9864, 11976, 13152, 15968, 17964, 19728, 23952, 35928, 39456, 47904, 68363, 71856, 136726, 143712, 205089, 273452, 410178, 546904, 615267, 820356, 1093808, 1230534, 1640712, 2187616, 2461068, 3281424, 4922136, 6562848, 9844272, 19688544]

約数ペア:

[(1, 19688544), (2, 9844272), (3, 6562848), (4, 4922136), (6, 3281424), (8, 2461068), (9, 2187616), (12, 1640712), (16, 1230534), (18, 1093808), (24, 820356), (32, 615267), (36, 546904), (48, 410178), (72, 273452), (96, 205089), (137, 143712), (144, 136726), (274, 71856), (288, 68363), (411, 47904), (499, 39456), (548, 35928), (822, 23952), (998, 19728), (1096, 17964), (1233, 15968), (1497, 13152), (1644, 11976), (1996, 9864), (2192, 8982), (2466, 7984), (2994, 6576), (3288, 5988), (3992, 4932), (4384, 4491)]