19777056

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 59766336

約数和(自身を除く): 39989280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 53, 69, 78, 92, 96, 104, 106, 138, 156, 159, 169, 184, 208, 212, 276, 299, 312, 318, 338, 368, 416, 424, 507, 552, 598, 624, 636, 676, 689, 736, 848, 897, 1014, 1104, 1196, 1219, 1248, 1272, 1352, 1378, 1696, 1794, 2028, 2067, 2208, 2392, 2438, 2544, 2704, 2756, 3588, 3657, 3887, 4056, 4134, 4784, 4876, 5088, 5408, 5512, 7176, 7314, 7774, 8112, 8268, 8957, 9568, 9752, 11024, 11661, 14352, 14628, 15548, 15847, 16224, 16536, 17914, 19504, 22048, 23322, 26871, 28704, 29256, 31096, 31694, 33072, 35828, 39008, 46644, 47541, 53742, 58512, 62192, 63388, 66144, 71656, 93288, 95082, 107484, 117024, 124384, 126776, 143312, 186576, 190164, 206011, 214968, 253552, 286624, 373152, 380328, 412022, 429936, 507104, 618033, 760656, 824044, 859872, 1236066, 1521312, 1648088, 2472132, 3296176, 4944264, 6592352, 9888528, 19777056]

約数ペア:

[(1, 19777056), (2, 9888528), (3, 6592352), (4, 4944264), (6, 3296176), (8, 2472132), (12, 1648088), (13, 1521312), (16, 1236066), (23, 859872), (24, 824044), (26, 760656), (32, 618033), (39, 507104), (46, 429936), (48, 412022), (52, 380328), (53, 373152), (69, 286624), (78, 253552), (92, 214968), (96, 206011), (104, 190164), (106, 186576), (138, 143312), (156, 126776), (159, 124384), (169, 117024), (184, 107484), (208, 95082), (212, 93288), (276, 71656), (299, 66144), (312, 63388), (318, 62192), (338, 58512), (368, 53742), (416, 47541), (424, 46644), (507, 39008), (552, 35828), (598, 33072), (624, 31694), (636, 31096), (676, 29256), (689, 28704), (736, 26871), (848, 23322), (897, 22048), (1014, 19504), (1104, 17914), (1196, 16536), (1219, 16224), (1248, 15847), (1272, 15548), (1352, 14628), (1378, 14352), (1696, 11661), (1794, 11024), (2028, 9752), (2067, 9568), (2208, 8957), (2392, 8268), (2438, 8112), (2544, 7774), (2704, 7314), (2756, 7176), (3588, 5512), (3657, 5408), (3887, 5088), (4056, 4876), (4134, 4784)]