19719018

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 48470400

約数和(自身を除く): 28751382

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 89, 99, 178, 198, 267, 297, 373, 534, 594, 746, 801, 979, 1119, 1602, 1958, 2238, 2403, 2937, 3357, 4103, 4806, 5874, 6714, 8206, 8811, 10071, 12309, 17622, 20142, 24618, 26433, 33197, 36927, 52866, 66394, 73854, 99591, 110781, 199182, 221562, 298773, 365167, 597546, 730334, 896319, 1095501, 1792638, 2191002, 3286503, 6573006, 9859509, 19719018]

約数ペア:

[(1, 19719018), (2, 9859509), (3, 6573006), (6, 3286503), (9, 2191002), (11, 1792638), (18, 1095501), (22, 896319), (27, 730334), (33, 597546), (54, 365167), (66, 298773), (89, 221562), (99, 199182), (178, 110781), (198, 99591), (267, 73854), (297, 66394), (373, 52866), (534, 36927), (594, 33197), (746, 26433), (801, 24618), (979, 20142), (1119, 17622), (1602, 12309), (1958, 10071), (2238, 8811), (2403, 8206), (2937, 6714), (3357, 5874), (4103, 4806)]