19184950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 37564560

約数和(自身を除く): 18379610

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 101, 131, 145, 202, 262, 290, 505, 655, 725, 1010, 1310, 1450, 2525, 2929, 3275, 3799, 5050, 5858, 6550, 7598, 13231, 14645, 18995, 26462, 29290, 37990, 66155, 73225, 94975, 132310, 146450, 189950, 330775, 383699, 661550, 767398, 1918495, 3836990, 9592475, 19184950]

約数ペア:

[(1, 19184950), (2, 9592475), (5, 3836990), (10, 1918495), (25, 767398), (29, 661550), (50, 383699), (58, 330775), (101, 189950), (131, 146450), (145, 132310), (202, 94975), (262, 73225), (290, 66155), (505, 37990), (655, 29290), (725, 26462), (1010, 18995), (1310, 14645), (1450, 13231), (2525, 7598), (2929, 6550), (3275, 5858), (3799, 5050)]