19742786

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18178174

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 49, 98, 133, 161, 266, 322, 437, 461, 874, 922, 931, 1127, 1862, 2254, 3059, 3227, 6118, 6454, 8759, 10603, 17518, 21206, 21413, 22589, 42826, 45178, 61313, 74221, 122626, 148442, 201457, 402914, 429191, 519547, 858382, 1039094, 1410199, 2820398, 9871393, 19742786]

約数ペア:

[(1, 19742786), (2, 9871393), (7, 2820398), (14, 1410199), (19, 1039094), (23, 858382), (38, 519547), (46, 429191), (49, 402914), (98, 201457), (133, 148442), (161, 122626), (266, 74221), (322, 61313), (437, 45178), (461, 42826), (874, 22589), (922, 21413), (931, 21206), (1127, 17518), (1862, 10603), (2254, 8759), (3059, 6454), (3227, 6118)]