19684236

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11471}}^1$

素因数の和:11502

約数の個数: 48

約数和(自身を含む): 53964288

約数和(自身を除く): 34280052

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11471, 22942, 34413, 45884, 68826, 126181, 137652, 149123, 252362, 298246, 378543, 447369, 504724, 596492, 757086, 894738, 1514172, 1640353, 1789476, 3280706, 4921059, 6561412, 9842118, 19684236]

約数ペア:

[(1, 19684236), (2, 9842118), (3, 6561412), (4, 4921059), (6, 3280706), (11, 1789476), (12, 1640353), (13, 1514172), (22, 894738), (26, 757086), (33, 596492), (39, 504724), (44, 447369), (52, 378543), (66, 298246), (78, 252362), (132, 149123), (143, 137652), (156, 126181), (286, 68826), (429, 45884), (572, 34413), (858, 22942), (1716, 11471)]