19517580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3739}}^1$

素因数の和:3783

約数の個数: 72

約数和(自身を含む): 61261200

約数和(自身を除く): 41743620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 3739, 5220, 7478, 11217, 14956, 18695, 22434, 33651, 37390, 44868, 56085, 67302, 74780, 108431, 112170, 134604, 168255, 216862, 224340, 325293, 336510, 433724, 542155, 650586, 673020, 975879, 1084310, 1301172, 1626465, 1951758, 2168620, 3252930, 3903516, 4879395, 6505860, 9758790, 19517580]

約数ペア:

[(1, 19517580), (2, 9758790), (3, 6505860), (4, 4879395), (5, 3903516), (6, 3252930), (9, 2168620), (10, 1951758), (12, 1626465), (15, 1301172), (18, 1084310), (20, 975879), (29, 673020), (30, 650586), (36, 542155), (45, 433724), (58, 336510), (60, 325293), (87, 224340), (90, 216862), (116, 168255), (145, 134604), (174, 112170), (180, 108431), (261, 74780), (290, 67302), (348, 56085), (435, 44868), (522, 37390), (580, 33651), (870, 22434), (1044, 18695), (1305, 14956), (1740, 11217), (2610, 7478), (3739, 5220)]