19914812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3911}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 37242240

約数和(自身を除く): 17327428

約数列:

[1, 2, 4, 19, 38, 67, 76, 134, 268, 1273, 2546, 3911, 5092, 7822, 15644, 74309, 148618, 262037, 297236, 524074, 1048148, 4978703, 9957406, 19914812]

約数ペア:

[(1, 19914812), (2, 9957406), (4, 4978703), (19, 1048148), (38, 524074), (67, 297236), (76, 262037), (134, 148618), (268, 74309), (1273, 15644), (2546, 7822), (3911, 5092)]