19809318

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1237}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 42250464

約数和(自身を除く): 22441146

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 1237, 2474, 2669, 3711, 5338, 7422, 8007, 16014, 21029, 42058, 63087, 126174, 194209, 388418, 582627, 1165254, 3301553, 6603106, 9904659, 19809318]

約数ペア:

[(1, 19809318), (2, 9904659), (3, 6603106), (6, 3301553), (17, 1165254), (34, 582627), (51, 388418), (102, 194209), (157, 126174), (314, 63087), (471, 42058), (942, 21029), (1237, 16014), (2474, 8007), (2669, 7422), (3711, 5338)]