19977474

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26678526

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 89, 114, 178, 179, 209, 267, 358, 418, 534, 537, 627, 979, 1074, 1254, 1691, 1958, 1969, 2937, 3382, 3401, 3938, 5073, 5874, 5907, 6802, 10146, 10203, 11814, 15931, 18601, 20406, 31862, 37202, 37411, 47793, 55803, 74822, 95586, 111606, 112233, 175241, 224466, 302689, 350482, 525723, 605378, 908067, 1051446, 1816134, 3329579, 6659158, 9988737, 19977474]

約数ペア:

[(1, 19977474), (2, 9988737), (3, 6659158), (6, 3329579), (11, 1816134), (19, 1051446), (22, 908067), (33, 605378), (38, 525723), (57, 350482), (66, 302689), (89, 224466), (114, 175241), (178, 112233), (179, 111606), (209, 95586), (267, 74822), (358, 55803), (418, 47793), (534, 37411), (537, 37202), (627, 31862), (979, 20406), (1074, 18601), (1254, 15931), (1691, 11814), (1958, 10203), (1969, 10146), (2937, 6802), (3382, 5907), (3401, 5874), (3938, 5073)]