19962502

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 37428480

約数和(自身を除く): 17465978

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 151, 266, 302, 497, 931, 994, 1057, 1349, 1862, 2114, 2698, 2869, 3479, 5738, 6958, 7399, 9443, 10721, 14798, 18886, 20083, 21442, 40166, 66101, 75047, 132202, 140581, 150094, 203699, 281162, 407398, 525329, 1050658, 1425893, 2851786, 9981251, 19962502]

約数ペア:

[(1, 19962502), (2, 9981251), (7, 2851786), (14, 1425893), (19, 1050658), (38, 525329), (49, 407398), (71, 281162), (98, 203699), (133, 150094), (142, 140581), (151, 132202), (266, 75047), (302, 66101), (497, 40166), (931, 21442), (994, 20083), (1057, 18886), (1349, 14798), (1862, 10721), (2114, 9443), (2698, 7399), (2869, 6958), (3479, 5738)]