19371990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1317

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 32468010

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 47, 55, 66, 94, 110, 141, 165, 235, 282, 330, 470, 517, 705, 1034, 1249, 1410, 1551, 2498, 2585, 3102, 3747, 5170, 6245, 7494, 7755, 12490, 13739, 15510, 18735, 27478, 37470, 41217, 58703, 68695, 82434, 117406, 137390, 176109, 206085, 293515, 352218, 412170, 587030, 645733, 880545, 1291466, 1761090, 1937199, 3228665, 3874398, 6457330, 9685995, 19371990]

約数ペア:

[(1, 19371990), (2, 9685995), (3, 6457330), (5, 3874398), (6, 3228665), (10, 1937199), (11, 1761090), (15, 1291466), (22, 880545), (30, 645733), (33, 587030), (47, 412170), (55, 352218), (66, 293515), (94, 206085), (110, 176109), (141, 137390), (165, 117406), (235, 82434), (282, 68695), (330, 58703), (470, 41217), (517, 37470), (705, 27478), (1034, 18735), (1249, 15510), (1410, 13739), (1551, 12490), (2498, 7755), (2585, 7494), (3102, 6245), (3747, 5170)]