19665842

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 35195904

約数和(自身を除く): 15530062

約数列:

[1, 2, 7, 14, 31, 62, 113, 217, 226, 401, 434, 791, 802, 1582, 2807, 3503, 5614, 7006, 12431, 24521, 24862, 45313, 49042, 87017, 90626, 174034, 317191, 634382, 1404703, 2809406, 9832921, 19665842]

約数ペア:

[(1, 19665842), (2, 9832921), (7, 2809406), (14, 1404703), (31, 634382), (62, 317191), (113, 174034), (217, 90626), (226, 87017), (401, 49042), (434, 45313), (791, 24862), (802, 24521), (1582, 12431), (2807, 7006), (3503, 5614)]