19039518

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 43056000

約数和(自身を除く): 24016482

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 149, 186, 229, 279, 298, 447, 458, 558, 687, 894, 1341, 1374, 2061, 2682, 4122, 4619, 7099, 9238, 13857, 14198, 21297, 27714, 34121, 41571, 42594, 63891, 68242, 83142, 102363, 127782, 204726, 307089, 614178, 1057751, 2115502, 3173253, 6346506, 9519759, 19039518]

約数ペア:

[(1, 19039518), (2, 9519759), (3, 6346506), (6, 3173253), (9, 2115502), (18, 1057751), (31, 614178), (62, 307089), (93, 204726), (149, 127782), (186, 102363), (229, 83142), (279, 68242), (298, 63891), (447, 42594), (458, 41571), (558, 34121), (687, 27714), (894, 21297), (1341, 14198), (1374, 13857), (2061, 9238), (2682, 7099), (4122, 4619)]