19891776

素因数分解:

$2^6\times 3^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:659

約数の個数: 56

約数和(自身を含む): 52957984

約数和(自身を除く): 33066208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 313, 331, 626, 662, 939, 993, 1252, 1324, 1878, 1986, 2504, 2648, 3756, 3972, 5008, 5296, 7512, 7944, 10016, 10592, 15024, 15888, 20032, 21184, 30048, 31776, 60096, 63552, 103603, 207206, 310809, 414412, 621618, 828824, 1243236, 1657648, 2486472, 3315296, 4972944, 6630592, 9945888, 19891776]

約数ペア:

[(1, 19891776), (2, 9945888), (3, 6630592), (4, 4972944), (6, 3315296), (8, 2486472), (12, 1657648), (16, 1243236), (24, 828824), (32, 621618), (48, 414412), (64, 310809), (96, 207206), (192, 103603), (313, 63552), (331, 60096), (626, 31776), (662, 30048), (939, 21184), (993, 20032), (1252, 15888), (1324, 15024), (1878, 10592), (1986, 10016), (2504, 7944), (2648, 7512), (3756, 5296), (3972, 5008)]