19549368

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 36049032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 53, 72, 94, 106, 109, 141, 159, 188, 212, 218, 282, 318, 327, 376, 423, 424, 436, 477, 564, 636, 654, 846, 872, 954, 981, 1128, 1272, 1308, 1692, 1908, 1962, 2491, 2616, 3384, 3816, 3924, 4982, 5123, 5777, 7473, 7848, 9964, 10246, 11554, 14946, 15369, 17331, 19928, 20492, 22419, 23108, 29892, 30738, 34662, 40984, 44838, 46107, 46216, 51993, 59784, 61476, 69324, 89676, 92214, 103986, 122952, 138648, 179352, 184428, 207972, 271519, 368856, 415944, 543038, 814557, 1086076, 1629114, 2172152, 2443671, 3258228, 4887342, 6516456, 9774684, 19549368]

約数ペア:

[(1, 19549368), (2, 9774684), (3, 6516456), (4, 4887342), (6, 3258228), (8, 2443671), (9, 2172152), (12, 1629114), (18, 1086076), (24, 814557), (36, 543038), (47, 415944), (53, 368856), (72, 271519), (94, 207972), (106, 184428), (109, 179352), (141, 138648), (159, 122952), (188, 103986), (212, 92214), (218, 89676), (282, 69324), (318, 61476), (327, 59784), (376, 51993), (423, 46216), (424, 46107), (436, 44838), (477, 40984), (564, 34662), (636, 30738), (654, 29892), (846, 23108), (872, 22419), (954, 20492), (981, 19928), (1128, 17331), (1272, 15369), (1308, 14946), (1692, 11554), (1908, 10246), (1962, 9964), (2491, 7848), (2616, 7473), (3384, 5777), (3816, 5123), (3924, 4982)]