19698490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5743}}^1$

素因数の和:5771

約数の個数: 32

約数和(自身を含む): 41356800

約数和(自身を除く): 21658310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5743, 11486, 28715, 40201, 57430, 80402, 201005, 281407, 402010, 562814, 1407035, 1969849, 2814070, 3939698, 9849245, 19698490]

約数ペア:

[(1, 19698490), (2, 9849245), (5, 3939698), (7, 2814070), (10, 1969849), (14, 1407035), (35, 562814), (49, 402010), (70, 281407), (98, 201005), (245, 80402), (343, 57430), (490, 40201), (686, 28715), (1715, 11486), (3430, 5743)]