19269740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{53}}^2$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 48098400

約数和(自身を除く): 28828660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 343, 371, 490, 530, 686, 742, 980, 1060, 1372, 1484, 1715, 1855, 2597, 2809, 3430, 3710, 5194, 5618, 6860, 7420, 10388, 11236, 12985, 14045, 18179, 19663, 25970, 28090, 36358, 39326, 51940, 56180, 72716, 78652, 90895, 98315, 137641, 181790, 196630, 275282, 363580, 393260, 550564, 688205, 963487, 1376410, 1926974, 2752820, 3853948, 4817435, 9634870, 19269740]

約数ペア:

[(1, 19269740), (2, 9634870), (4, 4817435), (5, 3853948), (7, 2752820), (10, 1926974), (14, 1376410), (20, 963487), (28, 688205), (35, 550564), (49, 393260), (53, 363580), (70, 275282), (98, 196630), (106, 181790), (140, 137641), (196, 98315), (212, 90895), (245, 78652), (265, 72716), (343, 56180), (371, 51940), (490, 39326), (530, 36358), (686, 28090), (742, 25970), (980, 19663), (1060, 18179), (1372, 14045), (1484, 12985), (1715, 11236), (1855, 10388), (2597, 7420), (2809, 6860), (3430, 5618), (3710, 5194)]