19890136

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1229}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 45313200

約数和(自身を除く): 25423064

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1229, 2023, 2312, 2458, 4046, 4916, 8092, 8603, 9832, 16184, 17206, 20893, 34412, 41786, 68824, 83572, 146251, 167144, 292502, 355181, 585004, 710362, 1170008, 1420724, 2486267, 2841448, 4972534, 9945068, 19890136]

約数ペア:

[(1, 19890136), (2, 9945068), (4, 4972534), (7, 2841448), (8, 2486267), (14, 1420724), (17, 1170008), (28, 710362), (34, 585004), (56, 355181), (68, 292502), (119, 167144), (136, 146251), (238, 83572), (289, 68824), (476, 41786), (578, 34412), (952, 20893), (1156, 17206), (1229, 16184), (2023, 9832), (2312, 8603), (2458, 8092), (4046, 4916)]