19554724

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 43092000

約数和(自身を除く): 23537276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 89, 98, 118, 133, 178, 196, 236, 266, 356, 413, 532, 623, 826, 931, 1121, 1246, 1652, 1691, 1862, 2242, 2492, 2891, 3382, 3724, 4361, 4484, 5251, 5782, 6764, 7847, 8722, 10502, 11564, 11837, 15694, 17444, 21004, 23674, 31388, 36757, 47348, 54929, 73514, 82859, 99769, 109858, 147028, 165718, 199538, 219716, 257299, 331436, 399076, 514598, 698383, 1029196, 1396766, 2793532, 4888681, 9777362, 19554724]

約数ペア:

[(1, 19554724), (2, 9777362), (4, 4888681), (7, 2793532), (14, 1396766), (19, 1029196), (28, 698383), (38, 514598), (49, 399076), (59, 331436), (76, 257299), (89, 219716), (98, 199538), (118, 165718), (133, 147028), (178, 109858), (196, 99769), (236, 82859), (266, 73514), (356, 54929), (413, 47348), (532, 36757), (623, 31388), (826, 23674), (931, 21004), (1121, 17444), (1246, 15694), (1652, 11837), (1691, 11564), (1862, 10502), (2242, 8722), (2492, 7847), (2891, 6764), (3382, 5782), (3724, 5251), (4361, 4484)]