19280884

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 40391680

約数和(自身を除く): 21110796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 97, 124, 194, 217, 229, 388, 434, 458, 679, 868, 916, 1358, 1603, 2716, 3007, 3206, 6014, 6412, 7099, 12028, 14198, 21049, 22213, 28396, 42098, 44426, 49693, 84196, 88852, 99386, 155491, 198772, 310982, 621964, 688603, 1377206, 2754412, 4820221, 9640442, 19280884]

約数ペア:

[(1, 19280884), (2, 9640442), (4, 4820221), (7, 2754412), (14, 1377206), (28, 688603), (31, 621964), (62, 310982), (97, 198772), (124, 155491), (194, 99386), (217, 88852), (229, 84196), (388, 49693), (434, 44426), (458, 42098), (679, 28396), (868, 22213), (916, 21049), (1358, 14198), (1603, 12028), (2716, 7099), (3007, 6412), (3206, 6014)]