19406340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 59387328

約数和(自身を除く): 39980988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 823, 1179, 1310, 1572, 1646, 1965, 2358, 2469, 2620, 3292, 3930, 4115, 4716, 4938, 5895, 7407, 7860, 8230, 9876, 11790, 12345, 14814, 16460, 23580, 24690, 29628, 37035, 49380, 74070, 107813, 148140, 215626, 323439, 431252, 539065, 646878, 970317, 1078130, 1293756, 1617195, 1940634, 2156260, 3234390, 3881268, 4851585, 6468780, 9703170, 19406340]

約数ペア:

[(1, 19406340), (2, 9703170), (3, 6468780), (4, 4851585), (5, 3881268), (6, 3234390), (9, 2156260), (10, 1940634), (12, 1617195), (15, 1293756), (18, 1078130), (20, 970317), (30, 646878), (36, 539065), (45, 431252), (60, 323439), (90, 215626), (131, 148140), (180, 107813), (262, 74070), (393, 49380), (524, 37035), (655, 29628), (786, 24690), (823, 23580), (1179, 16460), (1310, 14814), (1572, 12345), (1646, 11790), (1965, 9876), (2358, 8230), (2469, 7860), (2620, 7407), (3292, 5895), (3930, 4938), (4115, 4716)]