18819738

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3699

約数の個数: 48

約数和(自身を含む): 47750976

約数和(自身を除く): 28931238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3643, 5166, 7286, 10929, 21858, 25501, 32787, 51002, 65574, 76503, 149363, 153006, 229509, 298726, 448089, 459018, 896178, 1045541, 1344267, 2091082, 2688534, 3136623, 6273246, 9409869, 18819738]

約数ペア:

[(1, 18819738), (2, 9409869), (3, 6273246), (6, 3136623), (7, 2688534), (9, 2091082), (14, 1344267), (18, 1045541), (21, 896178), (41, 459018), (42, 448089), (63, 298726), (82, 229509), (123, 153006), (126, 149363), (246, 76503), (287, 65574), (369, 51002), (574, 32787), (738, 25501), (861, 21858), (1722, 10929), (2583, 7286), (3643, 5166)]