19292240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 60

約数和(自身を含む): 49327572

約数和(自身を除く): 30035332

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 1993, 2420, 3986, 4840, 7972, 9680, 9965, 15944, 19930, 21923, 31888, 39860, 43846, 79720, 87692, 109615, 159440, 175384, 219230, 241153, 350768, 438460, 482306, 876920, 964612, 1205765, 1753840, 1929224, 2411530, 3858448, 4823060, 9646120, 19292240]

約数ペア:

[(1, 19292240), (2, 9646120), (4, 4823060), (5, 3858448), (8, 2411530), (10, 1929224), (11, 1753840), (16, 1205765), (20, 964612), (22, 876920), (40, 482306), (44, 438460), (55, 350768), (80, 241153), (88, 219230), (110, 175384), (121, 159440), (176, 109615), (220, 87692), (242, 79720), (440, 43846), (484, 39860), (605, 31888), (880, 21923), (968, 19930), (1210, 15944), (1936, 9965), (1993, 9680), (2420, 7972), (3986, 4840)]