19503872

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{1621}}^1$

素因数の和:1684

約数の個数: 36

約数和(自身を含む): 39784416

約数和(自身を除く): 20280544

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 1621, 3008, 3242, 6016, 6484, 12032, 12968, 25936, 51872, 76187, 103744, 152374, 207488, 304748, 414976, 609496, 1218992, 2437984, 4875968, 9751936, 19503872]

約数ペア:

[(1, 19503872), (2, 9751936), (4, 4875968), (8, 2437984), (16, 1218992), (32, 609496), (47, 414976), (64, 304748), (94, 207488), (128, 152374), (188, 103744), (256, 76187), (376, 51872), (752, 25936), (1504, 12968), (1621, 12032), (3008, 6484), (3242, 6016)]