19318222

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 39315456

約数和(自身を除く): 19997234

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 47, 77, 94, 119, 154, 157, 187, 238, 314, 329, 374, 517, 658, 799, 1034, 1099, 1309, 1598, 1727, 2198, 2618, 2669, 3454, 3619, 5338, 5593, 7238, 7379, 8789, 11186, 12089, 14758, 17578, 18683, 24178, 29359, 37366, 51653, 58718, 61523, 81169, 103306, 123046, 125443, 162338, 205513, 250886, 411026, 568183, 878101, 1136366, 1379873, 1756202, 2759746, 9659111, 19318222]

約数ペア:

[(1, 19318222), (2, 9659111), (7, 2759746), (11, 1756202), (14, 1379873), (17, 1136366), (22, 878101), (34, 568183), (47, 411026), (77, 250886), (94, 205513), (119, 162338), (154, 125443), (157, 123046), (187, 103306), (238, 81169), (314, 61523), (329, 58718), (374, 51653), (517, 37366), (658, 29359), (799, 24178), (1034, 18683), (1099, 17578), (1309, 14758), (1598, 12089), (1727, 11186), (2198, 8789), (2618, 7379), (2669, 7238), (3454, 5593), (3619, 5338)]