19431440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4957}}^1$

素因数の和:4984

約数の個数: 60

約数和(自身を含む): 52564716

約数和(自身を除く): 33133276

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4957, 9914, 19828, 24785, 34699, 39656, 49570, 69398, 79312, 99140, 138796, 173495, 198280, 242893, 277592, 346990, 396560, 485786, 555184, 693980, 971572, 1214465, 1387960, 1943144, 2428930, 2775920, 3886288, 4857860, 9715720, 19431440]

約数ペア:

[(1, 19431440), (2, 9715720), (4, 4857860), (5, 3886288), (7, 2775920), (8, 2428930), (10, 1943144), (14, 1387960), (16, 1214465), (20, 971572), (28, 693980), (35, 555184), (40, 485786), (49, 396560), (56, 346990), (70, 277592), (80, 242893), (98, 198280), (112, 173495), (140, 138796), (196, 99140), (245, 79312), (280, 69398), (392, 49570), (490, 39656), (560, 34699), (784, 24785), (980, 19828), (1960, 9914), (3920, 4957)]