18704966

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 34670592

約数和(自身を除く): 15965626

約数列:

[1, 2, 7, 14, 31, 47, 49, 62, 94, 98, 131, 217, 262, 329, 434, 658, 917, 1457, 1519, 1834, 2303, 2914, 3038, 4061, 4606, 6157, 6419, 8122, 10199, 12314, 12838, 20398, 28427, 43099, 56854, 71393, 86198, 142786, 190867, 198989, 301693, 381734, 397978, 603386, 1336069, 2672138, 9352483, 18704966]

約数ペア:

[(1, 18704966), (2, 9352483), (7, 2672138), (14, 1336069), (31, 603386), (47, 397978), (49, 381734), (62, 301693), (94, 198989), (98, 190867), (131, 142786), (217, 86198), (262, 71393), (329, 56854), (434, 43099), (658, 28427), (917, 20398), (1457, 12838), (1519, 12314), (1834, 10199), (2303, 8122), (2914, 6419), (3038, 6157), (4061, 4606)]