19749604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 41552896

約数和(自身を除く): 21803292

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 373, 427, 434, 746, 854, 868, 1492, 1708, 1891, 2611, 3782, 5222, 7564, 10444, 11563, 13237, 22753, 23126, 26474, 45506, 46252, 52948, 80941, 91012, 159271, 161882, 318542, 323764, 637084, 705343, 1410686, 2821372, 4937401, 9874802, 19749604]

約数ペア:

[(1, 19749604), (2, 9874802), (4, 4937401), (7, 2821372), (14, 1410686), (28, 705343), (31, 637084), (61, 323764), (62, 318542), (122, 161882), (124, 159271), (217, 91012), (244, 80941), (373, 52948), (427, 46252), (434, 45506), (746, 26474), (854, 23126), (868, 22753), (1492, 13237), (1708, 11563), (1891, 10444), (2611, 7564), (3782, 5222)]