18216690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1553}}^1$

素因数の和:1603

約数の個数: 64

約数和(自身を含む): 48335616

約数和(自身を除く): 30118926

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, 1553, 1955, 2346, 3106, 3910, 4659, 5865, 7765, 9318, 11730, 15530, 23295, 26401, 35719, 46590, 52802, 71438, 79203, 107157, 132005, 158406, 178595, 214314, 264010, 357190, 396015, 535785, 607223, 792030, 1071570, 1214446, 1821669, 3036115, 3643338, 6072230, 9108345, 18216690]

約数ペア:

[(1, 18216690), (2, 9108345), (3, 6072230), (5, 3643338), (6, 3036115), (10, 1821669), (15, 1214446), (17, 1071570), (23, 792030), (30, 607223), (34, 535785), (46, 396015), (51, 357190), (69, 264010), (85, 214314), (102, 178595), (115, 158406), (138, 132005), (170, 107157), (230, 79203), (255, 71438), (345, 52802), (391, 46590), (510, 35719), (690, 26401), (782, 23295), (1173, 15530), (1553, 11730), (1955, 9318), (2346, 7765), (3106, 5865), (3910, 4659)]