19803056

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 50465520

約数和(自身を除く): 30662464

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 49, 52, 56, 58, 67, 91, 98, 104, 112, 116, 134, 182, 196, 203, 208, 232, 268, 364, 377, 392, 406, 464, 469, 536, 637, 728, 754, 784, 812, 871, 938, 1072, 1274, 1421, 1456, 1508, 1624, 1742, 1876, 1943, 2548, 2639, 2842, 3016, 3248, 3283, 3484, 3752, 3886, 5096, 5278, 5684, 6032, 6097, 6566, 6968, 7504, 7772, 10192, 10556, 11368, 12194, 13132, 13601, 13936, 15544, 18473, 21112, 22736, 24388, 25259, 26264, 27202, 31088, 36946, 42224, 42679, 48776, 50518, 52528, 54404, 73892, 85358, 95207, 97552, 101036, 108808, 147784, 170716, 176813, 190414, 202072, 217616, 295568, 341432, 353626, 380828, 404144, 682864, 707252, 761656, 1237691, 1414504, 1523312, 2475382, 2829008, 4950764, 9901528, 19803056]

約数ペア:

[(1, 19803056), (2, 9901528), (4, 4950764), (7, 2829008), (8, 2475382), (13, 1523312), (14, 1414504), (16, 1237691), (26, 761656), (28, 707252), (29, 682864), (49, 404144), (52, 380828), (56, 353626), (58, 341432), (67, 295568), (91, 217616), (98, 202072), (104, 190414), (112, 176813), (116, 170716), (134, 147784), (182, 108808), (196, 101036), (203, 97552), (208, 95207), (232, 85358), (268, 73892), (364, 54404), (377, 52528), (392, 50518), (406, 48776), (464, 42679), (469, 42224), (536, 36946), (637, 31088), (728, 27202), (754, 26264), (784, 25259), (812, 24388), (871, 22736), (938, 21112), (1072, 18473), (1274, 15544), (1421, 13936), (1456, 13601), (1508, 13132), (1624, 12194), (1742, 11368), (1876, 10556), (1943, 10192), (2548, 7772), (2639, 7504), (2842, 6968), (3016, 6566), (3248, 6097), (3283, 6032), (3484, 5684), (3752, 5278), (3886, 5096)]