19191228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4861}}^1$

素因数の和:4922

約数の個数: 48

約数和(自身を含む): 52276224

約数和(自身を除く): 33084996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4861, 9722, 14583, 19444, 29166, 34027, 58332, 68054, 102081, 136108, 204162, 228467, 408324, 456934, 685401, 913868, 1370802, 1599269, 2741604, 3198538, 4797807, 6397076, 9595614, 19191228]

約数ペア:

[(1, 19191228), (2, 9595614), (3, 6397076), (4, 4797807), (6, 3198538), (7, 2741604), (12, 1599269), (14, 1370802), (21, 913868), (28, 685401), (42, 456934), (47, 408324), (84, 228467), (94, 204162), (141, 136108), (188, 102081), (282, 68054), (329, 58332), (564, 34027), (658, 29166), (987, 19444), (1316, 14583), (1974, 9722), (3948, 4861)]