19202010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1637}}^1$

素因数の和:1687

約数の個数: 64

約数和(自身を含む): 50948352

約数和(自身を除く): 31746342

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1637, 1955, 2346, 3274, 3910, 4911, 5865, 8185, 9822, 11730, 16370, 24555, 27829, 37651, 49110, 55658, 75302, 83487, 112953, 139145, 166974, 188255, 225906, 278290, 376510, 417435, 564765, 640067, 834870, 1129530, 1280134, 1920201, 3200335, 3840402, 6400670, 9601005, 19202010]

約数ペア:

[(1, 19202010), (2, 9601005), (3, 6400670), (5, 3840402), (6, 3200335), (10, 1920201), (15, 1280134), (17, 1129530), (23, 834870), (30, 640067), (34, 564765), (46, 417435), (51, 376510), (69, 278290), (85, 225906), (102, 188255), (115, 166974), (138, 139145), (170, 112953), (230, 83487), (255, 75302), (345, 55658), (391, 49110), (510, 37651), (690, 27829), (782, 24555), (1173, 16370), (1637, 11730), (1955, 9822), (2346, 8185), (3274, 5865), (3910, 4911)]