19585972

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 43303680

約数和(自身を除く): 23717708

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1789, 2737, 3578, 5474, 7156, 10948, 12523, 25046, 30413, 41147, 50092, 60826, 82294, 121652, 164588, 212891, 288029, 425782, 576058, 699499, 851564, 1152116, 1398998, 2797996, 4896493, 9792986, 19585972]

約数ペア:

[(1, 19585972), (2, 9792986), (4, 4896493), (7, 2797996), (14, 1398998), (17, 1152116), (23, 851564), (28, 699499), (34, 576058), (46, 425782), (68, 288029), (92, 212891), (119, 164588), (161, 121652), (238, 82294), (322, 60826), (391, 50092), (476, 41147), (644, 30413), (782, 25046), (1564, 12523), (1789, 10948), (2737, 7156), (3578, 5474)]