19879434

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 46594080

約数和(自身を除く): 26714646

約数列:

[1, 2, 3, 6, 9, 18, 19, 37, 38, 57, 74, 111, 114, 171, 222, 333, 342, 666, 703, 1406, 1571, 2109, 3142, 4218, 4713, 6327, 9426, 12654, 14139, 28278, 29849, 58127, 59698, 89547, 116254, 174381, 179094, 268641, 348762, 523143, 537282, 1046286, 1104413, 2208826, 3313239, 6626478, 9939717, 19879434]

約数ペア:

[(1, 19879434), (2, 9939717), (3, 6626478), (6, 3313239), (9, 2208826), (18, 1104413), (19, 1046286), (37, 537282), (38, 523143), (57, 348762), (74, 268641), (111, 179094), (114, 174381), (171, 116254), (222, 89547), (333, 59698), (342, 58127), (666, 29849), (703, 28278), (1406, 14139), (1571, 12654), (2109, 9426), (3142, 6327), (4218, 4713)]