18835712

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 44935296

約数和(自身を除く): 26099584

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 457, 644, 736, 896, 914, 1288, 1472, 1792, 1828, 2576, 2944, 3199, 3656, 5152, 5888, 6398, 7312, 10304, 10511, 12796, 14624, 20608, 21022, 25592, 29248, 41216, 42044, 51184, 58496, 73577, 84088, 102368, 116992, 147154, 168176, 204736, 294308, 336352, 409472, 588616, 672704, 818944, 1177232, 1345408, 2354464, 2690816, 4708928, 9417856, 18835712]

約数ペア:

[(1, 18835712), (2, 9417856), (4, 4708928), (7, 2690816), (8, 2354464), (14, 1345408), (16, 1177232), (23, 818944), (28, 672704), (32, 588616), (46, 409472), (56, 336352), (64, 294308), (92, 204736), (112, 168176), (128, 147154), (161, 116992), (184, 102368), (224, 84088), (256, 73577), (322, 58496), (368, 51184), (448, 42044), (457, 41216), (644, 29248), (736, 25592), (896, 21022), (914, 20608), (1288, 14624), (1472, 12796), (1792, 10511), (1828, 10304), (2576, 7312), (2944, 6398), (3199, 5888), (3656, 5152)]