19706050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 46497024

約数和(自身を除く): 26790974

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 61, 65, 70, 71, 91, 122, 130, 142, 175, 182, 305, 325, 350, 355, 427, 455, 497, 610, 650, 710, 793, 854, 910, 923, 994, 1525, 1586, 1775, 1846, 2135, 2275, 2485, 3050, 3550, 3965, 4270, 4331, 4550, 4615, 4970, 5551, 6461, 7930, 8662, 9230, 10675, 11102, 12425, 12922, 19825, 21350, 21655, 23075, 24850, 27755, 30317, 32305, 39650, 43310, 46150, 55510, 56303, 60634, 64610, 108275, 112606, 138775, 151585, 161525, 216550, 277550, 281515, 303170, 323050, 394121, 563030, 757925, 788242, 1407575, 1515850, 1970605, 2815150, 3941210, 9853025, 19706050]

約数ペア:

[(1, 19706050), (2, 9853025), (5, 3941210), (7, 2815150), (10, 1970605), (13, 1515850), (14, 1407575), (25, 788242), (26, 757925), (35, 563030), (50, 394121), (61, 323050), (65, 303170), (70, 281515), (71, 277550), (91, 216550), (122, 161525), (130, 151585), (142, 138775), (175, 112606), (182, 108275), (305, 64610), (325, 60634), (350, 56303), (355, 55510), (427, 46150), (455, 43310), (497, 39650), (610, 32305), (650, 30317), (710, 27755), (793, 24850), (854, 23075), (910, 21655), (923, 21350), (994, 19825), (1525, 12922), (1586, 12425), (1775, 11102), (1846, 10675), (2135, 9230), (2275, 8662), (2485, 7930), (3050, 6461), (3550, 5551), (3965, 4970), (4270, 4615), (4331, 4550)]