18721274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 32

約数和(自身を含む): 33518016

約数和(自身を除く): 14796742

約数列:

[1, 2, 11, 13, 22, 26, 67, 134, 143, 286, 737, 871, 977, 1474, 1742, 1954, 9581, 10747, 12701, 19162, 21494, 25402, 65459, 130918, 139711, 279422, 720049, 850967, 1440098, 1701934, 9360637, 18721274]

約数ペア:

[(1, 18721274), (2, 9360637), (11, 1701934), (13, 1440098), (22, 850967), (26, 720049), (67, 279422), (134, 139711), (143, 130918), (286, 65459), (737, 25402), (871, 21494), (977, 19162), (1474, 12701), (1742, 10747), (1954, 9581)]