18889912

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 37209600

約数和(自身を除く): 18319688

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1291, 1829, 2582, 3658, 5164, 7316, 10328, 14632, 40021, 76169, 80042, 152338, 160084, 304676, 320168, 609352, 2361239, 4722478, 9444956, 18889912]

約数ペア:

[(1, 18889912), (2, 9444956), (4, 4722478), (8, 2361239), (31, 609352), (59, 320168), (62, 304676), (118, 160084), (124, 152338), (236, 80042), (248, 76169), (472, 40021), (1291, 14632), (1829, 10328), (2582, 7316), (3658, 5164)]