19489338

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{383}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 46365696

約数和(自身を除く): 26876358

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 257, 383, 514, 766, 771, 1149, 1542, 2298, 2313, 2827, 3447, 4213, 4626, 5654, 6894, 8426, 8481, 12639, 16962, 25278, 25443, 37917, 50886, 75834, 98431, 196862, 295293, 590586, 885879, 1082741, 1771758, 2165482, 3248223, 6496446, 9744669, 19489338]

約数ペア:

[(1, 19489338), (2, 9744669), (3, 6496446), (6, 3248223), (9, 2165482), (11, 1771758), (18, 1082741), (22, 885879), (33, 590586), (66, 295293), (99, 196862), (198, 98431), (257, 75834), (383, 50886), (514, 37917), (766, 25443), (771, 25278), (1149, 16962), (1542, 12639), (2298, 8481), (2313, 8426), (2827, 6894), (3447, 5654), (4213, 4626)]