19978434

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3144

約数の個数: 64

約数和(自身を含む): 53740800

約数和(自身を除く): 33762366

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3109, 3213, 6218, 6426, 9327, 18654, 21763, 27981, 43526, 52853, 55962, 65289, 83943, 105706, 130578, 158559, 167886, 195867, 317118, 369971, 391734, 475677, 587601, 739942, 951354, 1109913, 1175202, 1427031, 2219826, 2854062, 3329739, 6659478, 9989217, 19978434]

約数ペア:

[(1, 19978434), (2, 9989217), (3, 6659478), (6, 3329739), (7, 2854062), (9, 2219826), (14, 1427031), (17, 1175202), (18, 1109913), (21, 951354), (27, 739942), (34, 587601), (42, 475677), (51, 391734), (54, 369971), (63, 317118), (102, 195867), (119, 167886), (126, 158559), (153, 130578), (189, 105706), (238, 83943), (306, 65289), (357, 55962), (378, 52853), (459, 43526), (714, 27981), (918, 21763), (1071, 18654), (2142, 9327), (3109, 6426), (3213, 6218)]