19515510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{30977}}^1$

素因数の和:30997

約数の個数: 48

約数和(自身を含む): 57990816

約数和(自身を除く): 38475306

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, 30977, 61954, 92931, 154885, 185862, 216839, 278793, 309770, 433678, 464655, 557586, 650517, 929310, 1084195, 1301034, 1393965, 1951551, 2168390, 2787930, 3252585, 3903102, 6505170, 9757755, 19515510]

約数ペア:

[(1, 19515510), (2, 9757755), (3, 6505170), (5, 3903102), (6, 3252585), (7, 2787930), (9, 2168390), (10, 1951551), (14, 1393965), (15, 1301034), (18, 1084195), (21, 929310), (30, 650517), (35, 557586), (42, 464655), (45, 433678), (63, 309770), (70, 278793), (90, 216839), (105, 185862), (126, 154885), (210, 92931), (315, 61954), (630, 30977)]