19975576324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1307}}^1\times {\mathrm{2131}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 38416525056

約数和(自身を除く): 18440948732

約数列:

[1, 2, 4, 11, 22, 44, 163, 326, 652, 1307, 1793, 2131, 2614, 3586, 4262, 5228, 7172, 8524, 14377, 23441, 28754, 46882, 57508, 93764, 213041, 347353, 426082, 694706, 852164, 1389412, 2343451, 2785217, 3820883, 4686902, 5570434, 7641766, 9373804, 11140868, 15283532, 30637387, 61274774, 122549548, 453990371, 907980742, 1815961484, 4993894081, 9987788162, 19975576324]

約数ペア:

[(1, 19975576324), (2, 9987788162), (4, 4993894081), (11, 1815961484), (22, 907980742), (44, 453990371), (163, 122549548), (326, 61274774), (652, 30637387), (1307, 15283532), (1793, 11140868), (2131, 9373804), (2614, 7641766), (3586, 5570434), (4262, 4686902), (5228, 3820883), (7172, 2785217), (8524, 2343451), (14377, 1389412), (23441, 852164), (28754, 694706), (46882, 426082), (57508, 347353), (93764, 213041)]