19394092016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{68711}}^1$

素因数の和:68814

約数の個数: 80

約数和(自身を含む): 42942251520

約数和(自身を除く): 23548159504

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 59, 92, 104, 118, 184, 208, 236, 299, 368, 472, 598, 767, 944, 1196, 1357, 1534, 2392, 2714, 3068, 4784, 5428, 6136, 10856, 12272, 17641, 21712, 35282, 68711, 70564, 137422, 141128, 274844, 282256, 549688, 893243, 1099376, 1580353, 1786486, 3160706, 3572972, 4053949, 6321412, 7145944, 8107898, 12642824, 14291888, 16215796, 20544589, 25285648, 32431592, 41089178, 52701337, 64863184, 82178356, 93240827, 105402674, 164356712, 186481654, 210805348, 328713424, 372963308, 421610696, 745926616, 843221392, 1212130751, 1491853232, 2424261502, 4848523004, 9697046008, 19394092016]

約数ペア:

[(1, 19394092016), (2, 9697046008), (4, 4848523004), (8, 2424261502), (13, 1491853232), (16, 1212130751), (23, 843221392), (26, 745926616), (46, 421610696), (52, 372963308), (59, 328713424), (92, 210805348), (104, 186481654), (118, 164356712), (184, 105402674), (208, 93240827), (236, 82178356), (299, 64863184), (368, 52701337), (472, 41089178), (598, 32431592), (767, 25285648), (944, 20544589), (1196, 16215796), (1357, 14291888), (1534, 12642824), (2392, 8107898), (2714, 7145944), (3068, 6321412), (4784, 4053949), (5428, 3572972), (6136, 3160706), (10856, 1786486), (12272, 1580353), (17641, 1099376), (21712, 893243), (35282, 549688), (68711, 282256), (70564, 274844), (137422, 141128)]