19695078

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4951}}^1$

素因数の和:4989

約数の個数: 48

約数和(自身を含む): 48668256

約数和(自身を除く): 28973178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 4951, 9902, 14853, 29706, 44559, 64363, 84167, 89118, 128726, 168334, 193089, 252501, 386178, 505002, 579267, 757503, 1094171, 1158534, 1515006, 2188342, 3282513, 6565026, 9847539, 19695078]

約数ペア:

[(1, 19695078), (2, 9847539), (3, 6565026), (6, 3282513), (9, 2188342), (13, 1515006), (17, 1158534), (18, 1094171), (26, 757503), (34, 579267), (39, 505002), (51, 386178), (78, 252501), (102, 193089), (117, 168334), (153, 128726), (221, 89118), (234, 84167), (306, 64363), (442, 44559), (663, 29706), (1326, 14853), (1989, 9902), (3978, 4951)]