19889324

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 43342656

約数和(自身を除く): 23453332

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 101, 182, 202, 364, 404, 541, 707, 1082, 1313, 1414, 2164, 2626, 2828, 3787, 5252, 7033, 7574, 9191, 14066, 15148, 18382, 28132, 36764, 49231, 54641, 98462, 109282, 196924, 218564, 382487, 710333, 764974, 1420666, 1529948, 2841332, 4972331, 9944662, 19889324]

約数ペア:

[(1, 19889324), (2, 9944662), (4, 4972331), (7, 2841332), (13, 1529948), (14, 1420666), (26, 764974), (28, 710333), (52, 382487), (91, 218564), (101, 196924), (182, 109282), (202, 98462), (364, 54641), (404, 49231), (541, 36764), (707, 28132), (1082, 18382), (1313, 15148), (1414, 14066), (2164, 9191), (2626, 7574), (2828, 7033), (3787, 5252)]