19581012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 54486432

約数和(自身を除く): 34905420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 251, 394, 396, 502, 591, 753, 788, 1004, 1182, 1506, 1773, 2167, 2259, 2364, 2761, 3012, 3546, 4334, 4518, 5522, 6501, 7092, 8283, 8668, 9036, 11044, 13002, 16566, 19503, 24849, 26004, 33132, 39006, 49447, 49698, 78012, 98894, 99396, 148341, 197788, 296682, 445023, 543917, 593364, 890046, 1087834, 1631751, 1780092, 2175668, 3263502, 4895253, 6527004, 9790506, 19581012]

約数ペア:

[(1, 19581012), (2, 9790506), (3, 6527004), (4, 4895253), (6, 3263502), (9, 2175668), (11, 1780092), (12, 1631751), (18, 1087834), (22, 890046), (33, 593364), (36, 543917), (44, 445023), (66, 296682), (99, 197788), (132, 148341), (197, 99396), (198, 98894), (251, 78012), (394, 49698), (396, 49447), (502, 39006), (591, 33132), (753, 26004), (788, 24849), (1004, 19503), (1182, 16566), (1506, 13002), (1773, 11044), (2167, 9036), (2259, 8668), (2364, 8283), (2761, 7092), (3012, 6501), (3546, 5522), (4334, 4518)]