19368020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3739}}^1$

素因数の和:3792

約数の個数: 48

約数和(自身を含む): 47752320

約数和(自身を除く): 28384300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3739, 5180, 7478, 14956, 18695, 26173, 37390, 52346, 74780, 104692, 130865, 138343, 261730, 276686, 523460, 553372, 691715, 968401, 1383430, 1936802, 2766860, 3873604, 4842005, 9684010, 19368020]

約数ペア:

[(1, 19368020), (2, 9684010), (4, 4842005), (5, 3873604), (7, 2766860), (10, 1936802), (14, 1383430), (20, 968401), (28, 691715), (35, 553372), (37, 523460), (70, 276686), (74, 261730), (140, 138343), (148, 130865), (185, 104692), (259, 74780), (370, 52346), (518, 37390), (740, 26173), (1036, 18695), (1295, 14956), (2590, 7478), (3739, 5180)]