18970028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3623}}^1$

素因数の和:3662

約数の個数: 48

約数和(自身を含む): 43835904

約数和(自身を除く): 24865876

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3623, 5236, 7246, 14492, 25361, 39853, 50722, 61591, 79706, 101444, 123182, 159412, 246364, 278971, 431137, 557942, 677501, 862274, 1115884, 1355002, 1724548, 2710004, 4742507, 9485014, 18970028]

約数ペア:

[(1, 18970028), (2, 9485014), (4, 4742507), (7, 2710004), (11, 1724548), (14, 1355002), (17, 1115884), (22, 862274), (28, 677501), (34, 557942), (44, 431137), (68, 278971), (77, 246364), (119, 159412), (154, 123182), (187, 101444), (238, 79706), (308, 61591), (374, 50722), (476, 39853), (748, 25361), (1309, 14492), (2618, 7246), (3623, 5236)]