19805904

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 60472320

約数和(自身を除く): 40666416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 127, 144, 152, 171, 216, 228, 254, 304, 342, 361, 381, 432, 456, 508, 513, 684, 722, 762, 912, 1016, 1026, 1083, 1143, 1368, 1444, 1524, 2032, 2052, 2166, 2286, 2413, 2736, 2888, 3048, 3249, 3429, 4104, 4332, 4572, 4826, 5776, 6096, 6498, 6858, 7239, 8208, 8664, 9144, 9652, 9747, 12996, 13716, 14478, 17328, 18288, 19304, 19494, 21717, 25992, 27432, 28956, 38608, 38988, 43434, 45847, 51984, 54864, 57912, 65151, 77976, 86868, 91694, 115824, 130302, 137541, 155952, 173736, 183388, 260604, 275082, 347472, 366776, 412623, 521208, 550164, 733552, 825246, 1042416, 1100328, 1237869, 1650492, 2200656, 2475738, 3300984, 4951476, 6601968, 9902952, 19805904]

約数ペア:

[(1, 19805904), (2, 9902952), (3, 6601968), (4, 4951476), (6, 3300984), (8, 2475738), (9, 2200656), (12, 1650492), (16, 1237869), (18, 1100328), (19, 1042416), (24, 825246), (27, 733552), (36, 550164), (38, 521208), (48, 412623), (54, 366776), (57, 347472), (72, 275082), (76, 260604), (108, 183388), (114, 173736), (127, 155952), (144, 137541), (152, 130302), (171, 115824), (216, 91694), (228, 86868), (254, 77976), (304, 65151), (342, 57912), (361, 54864), (381, 51984), (432, 45847), (456, 43434), (508, 38988), (513, 38608), (684, 28956), (722, 27432), (762, 25992), (912, 21717), (1016, 19494), (1026, 19304), (1083, 18288), (1143, 17328), (1368, 14478), (1444, 13716), (1524, 12996), (2032, 9747), (2052, 9652), (2166, 9144), (2286, 8664), (2413, 8208), (2736, 7239), (2888, 6858), (3048, 6498), (3249, 6096), (3429, 5776), (4104, 4826), (4332, 4572)]