19675728

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1136

約数の個数: 60

約数和(自身を含む): 55517280

約数和(自身を除く): 35841552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 983, 1112, 1251, 1668, 1966, 2224, 2502, 2949, 3336, 3932, 5004, 5898, 6672, 7864, 8847, 10008, 11796, 15728, 17694, 20016, 23592, 35388, 47184, 70776, 136637, 141552, 273274, 409911, 546548, 819822, 1093096, 1229733, 1639644, 2186192, 2459466, 3279288, 4918932, 6558576, 9837864, 19675728]

約数ペア:

[(1, 19675728), (2, 9837864), (3, 6558576), (4, 4918932), (6, 3279288), (8, 2459466), (9, 2186192), (12, 1639644), (16, 1229733), (18, 1093096), (24, 819822), (36, 546548), (48, 409911), (72, 273274), (139, 141552), (144, 136637), (278, 70776), (417, 47184), (556, 35388), (834, 23592), (983, 20016), (1112, 17694), (1251, 15728), (1668, 11796), (1966, 10008), (2224, 8847), (2502, 7864), (2949, 6672), (3336, 5898), (3932, 5004)]