18555130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 20055302

約数列:

[1, 2, 5, 10, 11, 22, 37, 47, 55, 74, 94, 97, 110, 185, 194, 235, 370, 407, 470, 485, 517, 814, 970, 1034, 1067, 1739, 2035, 2134, 2585, 3478, 3589, 4070, 4559, 5170, 5335, 7178, 8695, 9118, 10670, 17390, 17945, 19129, 22795, 35890, 38258, 39479, 45590, 50149, 78958, 95645, 100298, 168683, 191290, 197395, 250745, 337366, 394790, 501490, 843415, 1686830, 1855513, 3711026, 9277565, 18555130]

約数ペア:

[(1, 18555130), (2, 9277565), (5, 3711026), (10, 1855513), (11, 1686830), (22, 843415), (37, 501490), (47, 394790), (55, 337366), (74, 250745), (94, 197395), (97, 191290), (110, 168683), (185, 100298), (194, 95645), (235, 78958), (370, 50149), (407, 45590), (470, 39479), (485, 38258), (517, 35890), (814, 22795), (970, 19129), (1034, 17945), (1067, 17390), (1739, 10670), (2035, 9118), (2134, 8695), (2585, 7178), (3478, 5335), (3589, 5170), (4070, 4559)]