19878210

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:150

約数の個数: 160

約数和(自身を含む): 61471872

約数和(自身を除く): 41593662

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 81, 90, 97, 99, 110, 115, 135, 138, 162, 165, 194, 198, 207, 230, 253, 270, 291, 297, 330, 345, 405, 414, 485, 495, 506, 582, 594, 621, 690, 759, 810, 873, 891, 970, 990, 1035, 1067, 1242, 1265, 1455, 1485, 1518, 1746, 1782, 1863, 2070, 2134, 2231, 2277, 2530, 2619, 2910, 2970, 3105, 3201, 3726, 3795, 4365, 4455, 4462, 4554, 5238, 5335, 6210, 6402, 6693, 6831, 7590, 7857, 8730, 8910, 9315, 9603, 10670, 11155, 11385, 13095, 13386, 13662, 15714, 16005, 18630, 19206, 20079, 20493, 22310, 22770, 24541, 26190, 28809, 32010, 33465, 34155, 39285, 40158, 40986, 48015, 49082, 57618, 60237, 66930, 68310, 73623, 78570, 86427, 96030, 100395, 102465, 120474, 122705, 144045, 147246, 172854, 180711, 200790, 204930, 220869, 245410, 288090, 301185, 361422, 368115, 432135, 441738, 602370, 662607, 736230, 864270, 903555, 1104345, 1325214, 1807110, 1987821, 2208690, 3313035, 3975642, 6626070, 9939105, 19878210]

約数ペア:

[(1, 19878210), (2, 9939105), (3, 6626070), (5, 3975642), (6, 3313035), (9, 2208690), (10, 1987821), (11, 1807110), (15, 1325214), (18, 1104345), (22, 903555), (23, 864270), (27, 736230), (30, 662607), (33, 602370), (45, 441738), (46, 432135), (54, 368115), (55, 361422), (66, 301185), (69, 288090), (81, 245410), (90, 220869), (97, 204930), (99, 200790), (110, 180711), (115, 172854), (135, 147246), (138, 144045), (162, 122705), (165, 120474), (194, 102465), (198, 100395), (207, 96030), (230, 86427), (253, 78570), (270, 73623), (291, 68310), (297, 66930), (330, 60237), (345, 57618), (405, 49082), (414, 48015), (485, 40986), (495, 40158), (506, 39285), (582, 34155), (594, 33465), (621, 32010), (690, 28809), (759, 26190), (810, 24541), (873, 22770), (891, 22310), (970, 20493), (990, 20079), (1035, 19206), (1067, 18630), (1242, 16005), (1265, 15714), (1455, 13662), (1485, 13386), (1518, 13095), (1746, 11385), (1782, 11155), (1863, 10670), (2070, 9603), (2134, 9315), (2231, 8910), (2277, 8730), (2530, 7857), (2619, 7590), (2910, 6831), (2970, 6693), (3105, 6402), (3201, 6210), (3726, 5335), (3795, 5238), (4365, 4554), (4455, 4462)]