19962698360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{262253}}^1$

素因数の和:262448

約数の個数: 64

約数和(自身を含む): 49282771680

約数和(自身を除く): 29320073320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 440, 692, 865, 1384, 1730, 1903, 3460, 3806, 6920, 7612, 9515, 15224, 19030, 38060, 76120, 262253, 524506, 1049012, 1311265, 2098024, 2622530, 2884783, 5245060, 5769566, 10490120, 11539132, 14423915, 23078264, 28847830, 45369769, 57695660, 90739538, 115391320, 181479076, 226848845, 362958152, 453697690, 499067459, 907395380, 998134918, 1814790760, 1996269836, 2495337295, 3992539672, 4990674590, 9981349180, 19962698360]

約数ペア:

[(1, 19962698360), (2, 9981349180), (4, 4990674590), (5, 3992539672), (8, 2495337295), (10, 1996269836), (11, 1814790760), (20, 998134918), (22, 907395380), (40, 499067459), (44, 453697690), (55, 362958152), (88, 226848845), (110, 181479076), (173, 115391320), (220, 90739538), (346, 57695660), (440, 45369769), (692, 28847830), (865, 23078264), (1384, 14423915), (1730, 11539132), (1903, 10490120), (3460, 5769566), (3806, 5245060), (6920, 2884783), (7612, 2622530), (9515, 2098024), (15224, 1311265), (19030, 1049012), (38060, 524506), (76120, 262253)]