19438038

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 45012240

約数和(自身を除く): 25574202

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 139, 153, 278, 306, 417, 457, 834, 914, 1251, 1371, 2363, 2502, 2742, 4113, 4726, 7089, 7769, 8226, 14178, 15538, 21267, 23307, 42534, 46614, 63523, 69921, 127046, 139842, 190569, 381138, 571707, 1079891, 1143414, 2159782, 3239673, 6479346, 9719019, 19438038]

約数ペア:

[(1, 19438038), (2, 9719019), (3, 6479346), (6, 3239673), (9, 2159782), (17, 1143414), (18, 1079891), (34, 571707), (51, 381138), (102, 190569), (139, 139842), (153, 127046), (278, 69921), (306, 63523), (417, 46614), (457, 42534), (834, 23307), (914, 21267), (1251, 15538), (1371, 14178), (2363, 8226), (2502, 7769), (2742, 7089), (4113, 4726)]