19926210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31395390

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 89, 102, 170, 178, 255, 267, 439, 445, 510, 534, 878, 890, 1317, 1335, 1513, 2195, 2634, 2670, 3026, 4390, 4539, 6585, 7463, 7565, 9078, 13170, 14926, 15130, 22389, 22695, 37315, 39071, 44778, 45390, 74630, 78142, 111945, 117213, 195355, 223890, 234426, 390710, 586065, 664207, 1172130, 1328414, 1992621, 3321035, 3985242, 6642070, 9963105, 19926210]

約数ペア:

[(1, 19926210), (2, 9963105), (3, 6642070), (5, 3985242), (6, 3321035), (10, 1992621), (15, 1328414), (17, 1172130), (30, 664207), (34, 586065), (51, 390710), (85, 234426), (89, 223890), (102, 195355), (170, 117213), (178, 111945), (255, 78142), (267, 74630), (439, 45390), (445, 44778), (510, 39071), (534, 37315), (878, 22695), (890, 22389), (1317, 15130), (1335, 14926), (1513, 13170), (2195, 9078), (2634, 7565), (2670, 7463), (3026, 6585), (4390, 4539)]