19247404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 38578176

約数和(自身を除く): 19330772

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 103, 124, 137, 206, 274, 341, 412, 548, 682, 1133, 1364, 1507, 2266, 3014, 3193, 4247, 4532, 6028, 6386, 8494, 12772, 14111, 16988, 28222, 35123, 46717, 56444, 70246, 93434, 140492, 155221, 186868, 310442, 437441, 620884, 874882, 1749764, 4811851, 9623702, 19247404]

約数ペア:

[(1, 19247404), (2, 9623702), (4, 4811851), (11, 1749764), (22, 874882), (31, 620884), (44, 437441), (62, 310442), (103, 186868), (124, 155221), (137, 140492), (206, 93434), (274, 70246), (341, 56444), (412, 46717), (548, 35123), (682, 28222), (1133, 16988), (1364, 14111), (1507, 12772), (2266, 8494), (3014, 6386), (3193, 6028), (4247, 4532)]