18440356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 37078272

約数和(自身を除く): 18637916

約数列:

[1, 2, 4, 11, 22, 37, 44, 47, 74, 94, 148, 188, 241, 407, 482, 517, 814, 964, 1034, 1628, 1739, 2068, 2651, 3478, 5302, 6956, 8917, 10604, 11327, 17834, 19129, 22654, 35668, 38258, 45308, 76516, 98087, 124597, 196174, 249194, 392348, 419099, 498388, 838198, 1676396, 4610089, 9220178, 18440356]

約数ペア:

[(1, 18440356), (2, 9220178), (4, 4610089), (11, 1676396), (22, 838198), (37, 498388), (44, 419099), (47, 392348), (74, 249194), (94, 196174), (148, 124597), (188, 98087), (241, 76516), (407, 45308), (482, 38258), (517, 35668), (814, 22654), (964, 19129), (1034, 17834), (1628, 11327), (1739, 10604), (2068, 8917), (2651, 6956), (3478, 5302)]