19499548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 37739520

約数和(自身を除く): 18239972

約数列:

[1, 2, 4, 19, 38, 47, 53, 76, 94, 103, 106, 188, 206, 212, 412, 893, 1007, 1786, 1957, 2014, 2491, 3572, 3914, 4028, 4841, 4982, 5459, 7828, 9682, 9964, 10918, 19364, 21836, 47329, 91979, 94658, 103721, 183958, 189316, 207442, 256573, 367916, 414884, 513146, 1026292, 4874887, 9749774, 19499548]

約数ペア:

[(1, 19499548), (2, 9749774), (4, 4874887), (19, 1026292), (38, 513146), (47, 414884), (53, 367916), (76, 256573), (94, 207442), (103, 189316), (106, 183958), (188, 103721), (206, 94658), (212, 91979), (412, 47329), (893, 21836), (1007, 19364), (1786, 10918), (1957, 9964), (2014, 9682), (2491, 7828), (3572, 5459), (3914, 4982), (4028, 4841)]