19519290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30983}}^1$

素因数の和:31003

約数の個数: 48

約数和(自身を含む): 58002048

約数和(自身を除く): 38482758

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 30983, 61966, 92949, 154915, 185898, 216881, 278847, 309830, 433762, 464745, 557694, 650643, 929490, 1084405, 1301286, 1394235, 1951929, 2168810, 2788470, 3253215, 3903858, 6506430, 9759645, 19519290]

約数ペア:

[(1, 19519290), (2, 9759645), (3, 6506430), (5, 3903858), (6, 3253215), (7, 2788470), (9, 2168810), (10, 1951929), (14, 1394235), (15, 1301286), (18, 1084405), (21, 929490), (30, 650643), (35, 557694), (42, 464745), (45, 433762), (63, 309830), (70, 278847), (90, 216881), (105, 185898), (126, 154915), (210, 92949), (315, 61966), (630, 30983)]