18968466

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 43646976

約数和(自身を除く): 24678510

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 73, 93, 127, 146, 186, 219, 254, 341, 381, 438, 682, 762, 803, 1023, 1397, 1606, 2046, 2263, 2409, 2794, 3937, 4191, 4526, 4818, 6789, 7874, 8382, 9271, 11811, 13578, 18542, 23622, 24893, 27813, 43307, 49786, 55626, 74679, 86614, 101981, 129921, 149358, 203962, 259842, 287401, 305943, 574802, 611886, 862203, 1724406, 3161411, 6322822, 9484233, 18968466]

約数ペア:

[(1, 18968466), (2, 9484233), (3, 6322822), (6, 3161411), (11, 1724406), (22, 862203), (31, 611886), (33, 574802), (62, 305943), (66, 287401), (73, 259842), (93, 203962), (127, 149358), (146, 129921), (186, 101981), (219, 86614), (254, 74679), (341, 55626), (381, 49786), (438, 43307), (682, 27813), (762, 24893), (803, 23622), (1023, 18542), (1397, 13578), (1606, 11811), (2046, 9271), (2263, 8382), (2409, 7874), (2794, 6789), (3937, 4818), (4191, 4526)]