18817402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 31230144

約数和(自身を除く): 12412742

約数列:

[1, 2, 17, 34, 43, 61, 86, 122, 211, 422, 731, 1037, 1462, 2074, 2623, 3587, 5246, 7174, 9073, 12871, 18146, 25742, 44591, 89182, 154241, 218807, 308482, 437614, 553453, 1106906, 9408701, 18817402]

約数ペア:

[(1, 18817402), (2, 9408701), (17, 1106906), (34, 553453), (43, 437614), (61, 308482), (86, 218807), (122, 154241), (211, 89182), (422, 44591), (731, 25742), (1037, 18146), (1462, 12871), (2074, 9073), (2623, 7174), (3587, 5246)]