19432556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 40769568

約数和(自身を除く): 21337012

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 143, 212, 286, 572, 583, 641, 689, 1166, 1282, 1378, 2332, 2564, 2756, 7051, 7579, 8333, 14102, 15158, 16666, 28204, 30316, 33332, 33973, 67946, 91663, 135892, 183326, 366652, 373703, 441649, 747406, 883298, 1494812, 1766596, 4858139, 9716278, 19432556]

約数ペア:

[(1, 19432556), (2, 9716278), (4, 4858139), (11, 1766596), (13, 1494812), (22, 883298), (26, 747406), (44, 441649), (52, 373703), (53, 366652), (106, 183326), (143, 135892), (212, 91663), (286, 67946), (572, 33973), (583, 33332), (641, 30316), (689, 28204), (1166, 16666), (1282, 15158), (1378, 14102), (2332, 8333), (2564, 7579), (2756, 7051)]