19616366

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18994066

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 587, 682, 1078, 1174, 1519, 2387, 3038, 4109, 4774, 6457, 8218, 12914, 16709, 18197, 28763, 33418, 36394, 45199, 57526, 90398, 127379, 200167, 254758, 316393, 400334, 632786, 891653, 1401169, 1783306, 2802338, 9808183, 19616366]

約数ペア:

[(1, 19616366), (2, 9808183), (7, 2802338), (11, 1783306), (14, 1401169), (22, 891653), (31, 632786), (49, 400334), (62, 316393), (77, 254758), (98, 200167), (154, 127379), (217, 90398), (341, 57526), (434, 45199), (539, 36394), (587, 33418), (682, 28763), (1078, 18197), (1174, 16709), (1519, 12914), (2387, 8218), (3038, 6457), (4109, 4774)]