19797918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{1487}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 45425664

約数和(自身を除く): 25627746

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 317, 634, 951, 1487, 1902, 2219, 2974, 4438, 4461, 6657, 8922, 10409, 13314, 20818, 31227, 62454, 471379, 942758, 1414137, 2828274, 3299653, 6599306, 9898959, 19797918]

約数ペア:

[(1, 19797918), (2, 9898959), (3, 6599306), (6, 3299653), (7, 2828274), (14, 1414137), (21, 942758), (42, 471379), (317, 62454), (634, 31227), (951, 20818), (1487, 13314), (1902, 10409), (2219, 8922), (2974, 6657), (4438, 4461)]