12943712

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 27342000

約数和(自身を除く): 14398288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 349, 488, 608, 698, 976, 1159, 1396, 1952, 2318, 2792, 4636, 5584, 6631, 9272, 11168, 13262, 18544, 21289, 26524, 37088, 42578, 53048, 85156, 106096, 170312, 212192, 340624, 404491, 681248, 808982, 1617964, 3235928, 6471856, 12943712]

約数ペア:

[(1, 12943712), (2, 6471856), (4, 3235928), (8, 1617964), (16, 808982), (19, 681248), (32, 404491), (38, 340624), (61, 212192), (76, 170312), (122, 106096), (152, 85156), (244, 53048), (304, 42578), (349, 37088), (488, 26524), (608, 21289), (698, 18544), (976, 13262), (1159, 11168), (1396, 9272), (1952, 6631), (2318, 5584), (2792, 4636)]