19491089490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{898621}}^1$

素因数の和:898875

約数の個数: 48

約数和(自身を含む): 50887166616

約数和(自身を除く): 31396077126

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 1205, 1446, 2169, 2410, 3615, 4338, 7230, 10845, 21690, 898621, 1797242, 2695863, 4493105, 5391726, 8087589, 8986210, 13479315, 16175178, 26958630, 40437945, 80875890, 216567661, 433135322, 649702983, 1082838305, 1299405966, 1949108949, 2165676610, 3248514915, 3898217898, 6497029830, 9745544745, 19491089490]

約数ペア:

[(1, 19491089490), (2, 9745544745), (3, 6497029830), (5, 3898217898), (6, 3248514915), (9, 2165676610), (10, 1949108949), (15, 1299405966), (18, 1082838305), (30, 649702983), (45, 433135322), (90, 216567661), (241, 80875890), (482, 40437945), (723, 26958630), (1205, 16175178), (1446, 13479315), (2169, 8986210), (2410, 8087589), (3615, 5391726), (4338, 4493105), (7230, 2695863), (10845, 1797242), (21690, 898621)]