16525818

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 37043136

約数和(自身を除く): 20517318

約数列:

[1, 2, 3, 6, 9, 18, 67, 71, 134, 142, 193, 201, 213, 386, 402, 426, 579, 603, 639, 1158, 1206, 1278, 1737, 3474, 4757, 9514, 12931, 13703, 14271, 25862, 27406, 28542, 38793, 41109, 42813, 77586, 82218, 85626, 116379, 123327, 232758, 246654, 918101, 1836202, 2754303, 5508606, 8262909, 16525818]

約数ペア:

[(1, 16525818), (2, 8262909), (3, 5508606), (6, 2754303), (9, 1836202), (18, 918101), (67, 246654), (71, 232758), (134, 123327), (142, 116379), (193, 85626), (201, 82218), (213, 77586), (386, 42813), (402, 41109), (426, 38793), (579, 28542), (603, 27406), (639, 25862), (1158, 14271), (1206, 13703), (1278, 12931), (1737, 9514), (3474, 4757)]