18194932

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 21802508

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 76, 92, 133, 161, 266, 322, 437, 532, 644, 874, 1487, 1748, 2974, 3059, 5948, 6118, 10409, 12236, 20818, 28253, 34201, 41636, 56506, 68402, 113012, 136804, 197771, 239407, 395542, 478814, 649819, 791084, 957628, 1299638, 2599276, 4548733, 9097466, 18194932]

約数ペア:

[(1, 18194932), (2, 9097466), (4, 4548733), (7, 2599276), (14, 1299638), (19, 957628), (23, 791084), (28, 649819), (38, 478814), (46, 395542), (76, 239407), (92, 197771), (133, 136804), (161, 113012), (266, 68402), (322, 56506), (437, 41636), (532, 34201), (644, 28253), (874, 20818), (1487, 12236), (1748, 10409), (2974, 6118), (3059, 5948)]