19958978082

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{2551}}^1\times {\mathrm{21377}}^1$

素因数の和:23994

約数の個数: 32

約数和(自身を含む): 40590152064

約数和(自身を除く): 20631173982

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 2551, 5102, 7653, 15306, 21377, 42754, 64131, 128262, 155611, 311222, 466833, 933666, 1303997, 2607994, 3911991, 7823982, 54532727, 109065454, 163598181, 327196362, 3326496347, 6652992694, 9979489041, 19958978082]

約数ペア:

[(1, 19958978082), (2, 9979489041), (3, 6652992694), (6, 3326496347), (61, 327196362), (122, 163598181), (183, 109065454), (366, 54532727), (2551, 7823982), (5102, 3911991), (7653, 2607994), (15306, 1303997), (21377, 933666), (42754, 466833), (64131, 311222), (128262, 155611)]