19480968

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1601}}^1$

素因数の和:1639

約数の個数: 72

約数和(自身を含む): 57167370

約数和(自身を除く): 37686402

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1601, 2028, 3042, 3202, 4056, 4803, 6084, 6404, 9606, 12168, 12808, 14409, 19212, 20813, 28818, 38424, 41626, 57636, 62439, 83252, 115272, 124878, 166504, 187317, 249756, 270569, 374634, 499512, 541138, 749268, 811707, 1082276, 1498536, 1623414, 2164552, 2435121, 3246828, 4870242, 6493656, 9740484, 19480968]

約数ペア:

[(1, 19480968), (2, 9740484), (3, 6493656), (4, 4870242), (6, 3246828), (8, 2435121), (9, 2164552), (12, 1623414), (13, 1498536), (18, 1082276), (24, 811707), (26, 749268), (36, 541138), (39, 499512), (52, 374634), (72, 270569), (78, 249756), (104, 187317), (117, 166504), (156, 124878), (169, 115272), (234, 83252), (312, 62439), (338, 57636), (468, 41626), (507, 38424), (676, 28818), (936, 20813), (1014, 19212), (1352, 14409), (1521, 12808), (1601, 12168), (2028, 9606), (3042, 6404), (3202, 6084), (4056, 4803)]