2018746040020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{312499387}}^1$

素因数の和:312499432

約数の個数: 48

約数和(自身を含む): 4724990746560

約数和(自身を除く): 2706244706540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 312499387, 624998774, 1249997548, 1562496935, 3124993870, 5312489579, 5937488353, 6249987740, 10624979158, 11874976706, 21249958316, 23749953412, 26562447895, 29687441765, 53124895790, 59374883530, 100937302001, 106249791580, 118749767060, 201874604002, 403749208004, 504686510005, 1009373020010, 2018746040020]

約数ペア:

[(1, 2018746040020), (2, 1009373020010), (4, 504686510005), (5, 403749208004), (10, 201874604002), (17, 118749767060), (19, 106249791580), (20, 100937302001), (34, 59374883530), (38, 53124895790), (68, 29687441765), (76, 26562447895), (85, 23749953412), (95, 21249958316), (170, 11874976706), (190, 10624979158), (323, 6249987740), (340, 5937488353), (380, 5312489579), (646, 3124993870), (1292, 1562496935), (1615, 1249997548), (3230, 624998774), (6460, 312499387)]