19558512

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1913}}^1$

素因数の和:1998

約数の個数: 60

約数和(自身を含む): 55536624

約数和(自身を除く): 35978112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 1913, 2556, 3408, 3826, 5112, 5739, 7652, 10224, 11478, 15304, 17217, 22956, 30608, 34434, 45912, 68868, 91824, 135823, 137736, 271646, 275472, 407469, 543292, 814938, 1086584, 1222407, 1629876, 2173168, 2444814, 3259752, 4889628, 6519504, 9779256, 19558512]

約数ペア:

[(1, 19558512), (2, 9779256), (3, 6519504), (4, 4889628), (6, 3259752), (8, 2444814), (9, 2173168), (12, 1629876), (16, 1222407), (18, 1086584), (24, 814938), (36, 543292), (48, 407469), (71, 275472), (72, 271646), (142, 137736), (144, 135823), (213, 91824), (284, 68868), (426, 45912), (568, 34434), (639, 30608), (852, 22956), (1136, 17217), (1278, 15304), (1704, 11478), (1913, 10224), (2556, 7652), (3408, 5739), (3826, 5112)]