19192620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 55336176

約数和(自身を除く): 36143556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 173, 215, 258, 346, 430, 516, 519, 645, 692, 860, 865, 1038, 1290, 1730, 1849, 2076, 2580, 2595, 3460, 3698, 5190, 5547, 7396, 7439, 9245, 10380, 11094, 14878, 18490, 22188, 22317, 27735, 29756, 36980, 37195, 44634, 55470, 74390, 89268, 110940, 111585, 148780, 223170, 319877, 446340, 639754, 959631, 1279508, 1599385, 1919262, 3198770, 3838524, 4798155, 6397540, 9596310, 19192620]

約数ペア:

[(1, 19192620), (2, 9596310), (3, 6397540), (4, 4798155), (5, 3838524), (6, 3198770), (10, 1919262), (12, 1599385), (15, 1279508), (20, 959631), (30, 639754), (43, 446340), (60, 319877), (86, 223170), (129, 148780), (172, 111585), (173, 110940), (215, 89268), (258, 74390), (346, 55470), (430, 44634), (516, 37195), (519, 36980), (645, 29756), (692, 27735), (860, 22317), (865, 22188), (1038, 18490), (1290, 14878), (1730, 11094), (1849, 10380), (2076, 9245), (2580, 7439), (2595, 7396), (3460, 5547), (3698, 5190)]