19762190

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1353

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 22985074

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1301, 1519, 2170, 2602, 3038, 6505, 7595, 9107, 13010, 15190, 18214, 40331, 45535, 63749, 80662, 91070, 127498, 201655, 282317, 318745, 403310, 564634, 637490, 1411585, 1976219, 2823170, 3952438, 9881095, 19762190]

約数ペア:

[(1, 19762190), (2, 9881095), (5, 3952438), (7, 2823170), (10, 1976219), (14, 1411585), (31, 637490), (35, 564634), (49, 403310), (62, 318745), (70, 282317), (98, 201655), (155, 127498), (217, 91070), (245, 80662), (310, 63749), (434, 45535), (490, 40331), (1085, 18214), (1301, 15190), (1519, 13010), (2170, 9107), (2602, 7595), (3038, 6505)]