18401538

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 41287680

約数和(自身を除く): 22886142

約数列:

[1, 2, 3, 6, 19, 31, 38, 41, 57, 62, 82, 93, 114, 123, 127, 186, 246, 254, 381, 589, 762, 779, 1178, 1271, 1558, 1767, 2337, 2413, 2542, 3534, 3813, 3937, 4674, 4826, 5207, 7239, 7626, 7874, 10414, 11811, 14478, 15621, 23622, 24149, 31242, 48298, 72447, 74803, 98933, 144894, 149606, 161417, 197866, 224409, 296799, 322834, 448818, 484251, 593598, 968502, 3066923, 6133846, 9200769, 18401538]

約数ペア:

[(1, 18401538), (2, 9200769), (3, 6133846), (6, 3066923), (19, 968502), (31, 593598), (38, 484251), (41, 448818), (57, 322834), (62, 296799), (82, 224409), (93, 197866), (114, 161417), (123, 149606), (127, 144894), (186, 98933), (246, 74803), (254, 72447), (381, 48298), (589, 31242), (762, 24149), (779, 23622), (1178, 15621), (1271, 14478), (1558, 11811), (1767, 10414), (2337, 7874), (2413, 7626), (2542, 7239), (3534, 5207), (3813, 4826), (3937, 4674)]