19785318

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 46416240

約数和(自身を除く): 26630922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 173, 294, 346, 389, 519, 778, 1038, 1167, 1211, 2334, 2422, 2723, 3633, 5446, 7266, 8169, 8477, 16338, 16954, 19061, 25431, 38122, 50862, 57183, 67297, 114366, 134594, 201891, 403782, 471079, 942158, 1413237, 2826474, 3297553, 6595106, 9892659, 19785318]

約数ペア:

[(1, 19785318), (2, 9892659), (3, 6595106), (6, 3297553), (7, 2826474), (14, 1413237), (21, 942158), (42, 471079), (49, 403782), (98, 201891), (147, 134594), (173, 114366), (294, 67297), (346, 57183), (389, 50862), (519, 38122), (778, 25431), (1038, 19061), (1167, 16954), (1211, 16338), (2334, 8477), (2422, 8169), (2723, 7266), (3633, 5446)]