19686016

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 45434880

約数和(自身を除く): 25748864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 173, 224, 254, 346, 448, 508, 692, 889, 896, 1016, 1211, 1384, 1778, 2032, 2422, 2768, 3556, 4064, 4844, 5536, 7112, 8128, 9688, 11072, 14224, 16256, 19376, 21971, 22144, 28448, 38752, 43942, 56896, 77504, 87884, 113792, 153797, 155008, 175768, 307594, 351536, 615188, 703072, 1230376, 1406144, 2460752, 2812288, 4921504, 9843008, 19686016]

約数ペア:

[(1, 19686016), (2, 9843008), (4, 4921504), (7, 2812288), (8, 2460752), (14, 1406144), (16, 1230376), (28, 703072), (32, 615188), (56, 351536), (64, 307594), (112, 175768), (127, 155008), (128, 153797), (173, 113792), (224, 87884), (254, 77504), (346, 56896), (448, 43942), (508, 38752), (692, 28448), (889, 22144), (896, 21971), (1016, 19376), (1211, 16256), (1384, 14224), (1778, 11072), (2032, 9688), (2422, 8128), (2768, 7112), (3556, 5536), (4064, 4844)]