19499150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{293}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 40028688

約数和(自身を除く): 20529538

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 242, 275, 293, 550, 586, 605, 1210, 1331, 1465, 2662, 2930, 3025, 3223, 6050, 6446, 6655, 7325, 13310, 14650, 16115, 32230, 33275, 35453, 66550, 70906, 80575, 161150, 177265, 354530, 389983, 779966, 886325, 1772650, 1949915, 3899830, 9749575, 19499150]

約数ペア:

[(1, 19499150), (2, 9749575), (5, 3899830), (10, 1949915), (11, 1772650), (22, 886325), (25, 779966), (50, 389983), (55, 354530), (110, 177265), (121, 161150), (242, 80575), (275, 70906), (293, 66550), (550, 35453), (586, 33275), (605, 32230), (1210, 16115), (1331, 14650), (1465, 13310), (2662, 7325), (2930, 6655), (3025, 6446), (3223, 6050)]