19827412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 40985280

約数和(自身を除く): 21157868

約数列:

[1, 2, 4, 11, 19, 22, 37, 38, 44, 74, 76, 148, 209, 407, 418, 641, 703, 814, 836, 1282, 1406, 1628, 2564, 2812, 7051, 7733, 12179, 14102, 15466, 23717, 24358, 28204, 30932, 47434, 48716, 94868, 133969, 260887, 267938, 450623, 521774, 535876, 901246, 1043548, 1802492, 4956853, 9913706, 19827412]

約数ペア:

[(1, 19827412), (2, 9913706), (4, 4956853), (11, 1802492), (19, 1043548), (22, 901246), (37, 535876), (38, 521774), (44, 450623), (74, 267938), (76, 260887), (148, 133969), (209, 94868), (407, 48716), (418, 47434), (641, 30932), (703, 28204), (814, 24358), (836, 23717), (1282, 15466), (1406, 14102), (1628, 12179), (2564, 7733), (2812, 7051)]