19693140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 59875200

約数和(自身を除く): 40182060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 449, 510, 516, 645, 731, 860, 898, 1020, 1290, 1347, 1462, 1796, 2193, 2245, 2580, 2694, 2924, 3655, 4386, 4490, 5388, 6735, 7310, 7633, 8772, 8980, 10965, 13470, 14620, 15266, 19307, 21930, 22899, 26940, 30532, 38165, 38614, 43860, 45798, 57921, 76330, 77228, 91596, 96535, 114495, 115842, 152660, 193070, 228990, 231684, 289605, 328219, 386140, 457980, 579210, 656438, 984657, 1158420, 1312876, 1641095, 1969314, 3282190, 3938628, 4923285, 6564380, 9846570, 19693140]

約数ペア:

[(1, 19693140), (2, 9846570), (3, 6564380), (4, 4923285), (5, 3938628), (6, 3282190), (10, 1969314), (12, 1641095), (15, 1312876), (17, 1158420), (20, 984657), (30, 656438), (34, 579210), (43, 457980), (51, 386140), (60, 328219), (68, 289605), (85, 231684), (86, 228990), (102, 193070), (129, 152660), (170, 115842), (172, 114495), (204, 96535), (215, 91596), (255, 77228), (258, 76330), (340, 57921), (430, 45798), (449, 43860), (510, 38614), (516, 38165), (645, 30532), (731, 26940), (860, 22899), (898, 21930), (1020, 19307), (1290, 15266), (1347, 14620), (1462, 13470), (1796, 10965), (2193, 8980), (2245, 8772), (2580, 7633), (2694, 7310), (2924, 6735), (3655, 5388), (4386, 4490)]