19994646

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 47540736

約数和(自身を除く): 27546090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1447, 1974, 2303, 2894, 4341, 4606, 6909, 8682, 10129, 13818, 20258, 30387, 60774, 68009, 70903, 136018, 141806, 204027, 212709, 408054, 425418, 476063, 952126, 1428189, 2856378, 3332441, 6664882, 9997323, 19994646]

約数ペア:

[(1, 19994646), (2, 9997323), (3, 6664882), (6, 3332441), (7, 2856378), (14, 1428189), (21, 952126), (42, 476063), (47, 425418), (49, 408054), (94, 212709), (98, 204027), (141, 141806), (147, 136018), (282, 70903), (294, 68009), (329, 60774), (658, 30387), (987, 20258), (1447, 13818), (1974, 10129), (2303, 8682), (2894, 6909), (4341, 4606)]