19801872

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8089}}^1$

素因数の和:8120

約数の個数: 60

約数和(自身を含む): 58684860

約数和(自身を除く): 38882988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8089, 16178, 24267, 32356, 48534, 64712, 72801, 97068, 129424, 137513, 145602, 194136, 275026, 291204, 388272, 412539, 550052, 582408, 825078, 1100104, 1164816, 1237617, 1650156, 2200208, 2475234, 3300312, 4950468, 6600624, 9900936, 19801872]

約数ペア:

[(1, 19801872), (2, 9900936), (3, 6600624), (4, 4950468), (6, 3300312), (8, 2475234), (9, 2200208), (12, 1650156), (16, 1237617), (17, 1164816), (18, 1100104), (24, 825078), (34, 582408), (36, 550052), (48, 412539), (51, 388272), (68, 291204), (72, 275026), (102, 194136), (136, 145602), (144, 137513), (153, 129424), (204, 97068), (272, 72801), (306, 64712), (408, 48534), (612, 32356), (816, 24267), (1224, 16178), (2448, 8089)]