19526710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 43390080

約数和(自身を除く): 23863370

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 61, 70, 85, 119, 122, 170, 238, 269, 305, 427, 538, 595, 610, 854, 1037, 1190, 1345, 1883, 2074, 2135, 2690, 3766, 4270, 4573, 5185, 7259, 9146, 9415, 10370, 14518, 16409, 18830, 22865, 32011, 32818, 36295, 45730, 64022, 72590, 82045, 114863, 160055, 164090, 229726, 278953, 320110, 557906, 574315, 1148630, 1394765, 1952671, 2789530, 3905342, 9763355, 19526710]

約数ペア:

[(1, 19526710), (2, 9763355), (5, 3905342), (7, 2789530), (10, 1952671), (14, 1394765), (17, 1148630), (34, 574315), (35, 557906), (61, 320110), (70, 278953), (85, 229726), (119, 164090), (122, 160055), (170, 114863), (238, 82045), (269, 72590), (305, 64022), (427, 45730), (538, 36295), (595, 32818), (610, 32011), (854, 22865), (1037, 18830), (1190, 16409), (1345, 14518), (1883, 10370), (2074, 9415), (2135, 9146), (2690, 7259), (3766, 5185), (4270, 4573)]