19696040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 55588680

約数和(自身を除く): 35892640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 773, 910, 980, 1274, 1546, 1820, 1960, 2548, 3092, 3185, 3640, 3865, 5096, 5411, 6184, 6370, 7730, 10049, 10822, 12740, 15460, 20098, 21644, 25480, 27055, 30920, 37877, 40196, 43288, 50245, 54110, 70343, 75754, 80392, 100490, 108220, 140686, 151508, 189385, 200980, 216440, 281372, 303016, 351715, 378770, 401960, 492401, 562744, 703430, 757540, 984802, 1406860, 1515080, 1969604, 2462005, 2813720, 3939208, 4924010, 9848020, 19696040]

約数ペア:

[(1, 19696040), (2, 9848020), (4, 4924010), (5, 3939208), (7, 2813720), (8, 2462005), (10, 1969604), (13, 1515080), (14, 1406860), (20, 984802), (26, 757540), (28, 703430), (35, 562744), (40, 492401), (49, 401960), (52, 378770), (56, 351715), (65, 303016), (70, 281372), (91, 216440), (98, 200980), (104, 189385), (130, 151508), (140, 140686), (182, 108220), (196, 100490), (245, 80392), (260, 75754), (280, 70343), (364, 54110), (392, 50245), (455, 43288), (490, 40196), (520, 37877), (637, 30920), (728, 27055), (773, 25480), (910, 21644), (980, 20098), (1274, 15460), (1546, 12740), (1820, 10822), (1960, 10049), (2548, 7730), (3092, 6370), (3185, 6184), (3640, 5411), (3865, 5096)]