19727718

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 43382784

約数和(自身を除く): 23655066

約数列:

[1, 2, 3, 6, 17, 31, 34, 51, 62, 93, 102, 186, 289, 367, 527, 578, 734, 867, 1054, 1101, 1581, 1734, 2202, 3162, 6239, 8959, 11377, 12478, 17918, 18717, 22754, 26877, 34131, 37434, 53754, 68262, 106063, 193409, 212126, 318189, 386818, 580227, 636378, 1160454, 3287953, 6575906, 9863859, 19727718]

約数ペア:

[(1, 19727718), (2, 9863859), (3, 6575906), (6, 3287953), (17, 1160454), (31, 636378), (34, 580227), (51, 386818), (62, 318189), (93, 212126), (102, 193409), (186, 106063), (289, 68262), (367, 53754), (527, 37434), (578, 34131), (734, 26877), (867, 22754), (1054, 18717), (1101, 17918), (1581, 12478), (1734, 11377), (2202, 8959), (3162, 6239)]