19154538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3559}}^1$

素因数の和:3603

約数の個数: 48

約数和(自身を含む): 46650240

約数和(自身を除く): 27495702

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 3559, 5382, 7118, 10677, 21354, 32031, 46267, 64062, 81857, 92534, 138801, 163714, 245571, 277602, 416403, 491142, 736713, 832806, 1064141, 1473426, 2128282, 3192423, 6384846, 9577269, 19154538]

約数ペア:

[(1, 19154538), (2, 9577269), (3, 6384846), (6, 3192423), (9, 2128282), (13, 1473426), (18, 1064141), (23, 832806), (26, 736713), (39, 491142), (46, 416403), (69, 277602), (78, 245571), (117, 163714), (138, 138801), (207, 92534), (234, 81857), (299, 64062), (414, 46267), (598, 32031), (897, 21354), (1794, 10677), (2691, 7118), (3559, 5382)]