19638416

素因数分解:

$2^4\times 7^2\times {\mathrm{37}}^1\times {\mathrm{677}}^1$

素因数の和:736

約数の個数: 60

約数和(自身を含む): 45524988

約数和(自身を除く): 25886572

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 49, 56, 74, 98, 112, 148, 196, 259, 296, 392, 518, 592, 677, 784, 1036, 1354, 1813, 2072, 2708, 3626, 4144, 4739, 5416, 7252, 9478, 10832, 14504, 18956, 25049, 29008, 33173, 37912, 50098, 66346, 75824, 100196, 132692, 175343, 200392, 265384, 350686, 400784, 530768, 701372, 1227401, 1402744, 2454802, 2805488, 4909604, 9819208, 19638416]

約数ペア:

[(1, 19638416), (2, 9819208), (4, 4909604), (7, 2805488), (8, 2454802), (14, 1402744), (16, 1227401), (28, 701372), (37, 530768), (49, 400784), (56, 350686), (74, 265384), (98, 200392), (112, 175343), (148, 132692), (196, 100196), (259, 75824), (296, 66346), (392, 50098), (518, 37912), (592, 33173), (677, 29008), (784, 25049), (1036, 18956), (1354, 14504), (1813, 10832), (2072, 9478), (2708, 7252), (3626, 5416), (4144, 4739)]