19681272

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 60614400

約数和(自身を除く): 40933128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 43, 52, 54, 72, 78, 86, 104, 108, 117, 129, 156, 163, 172, 216, 234, 258, 312, 326, 344, 351, 387, 468, 489, 516, 559, 652, 702, 774, 936, 978, 1032, 1118, 1161, 1304, 1404, 1467, 1548, 1677, 1956, 2119, 2236, 2322, 2808, 2934, 3096, 3354, 3912, 4238, 4401, 4472, 4644, 5031, 5868, 6357, 6708, 7009, 8476, 8802, 9288, 10062, 11736, 12714, 13416, 14018, 15093, 16952, 17604, 19071, 20124, 21027, 25428, 28036, 30186, 35208, 38142, 40248, 42054, 50856, 56072, 57213, 60372, 63081, 76284, 84108, 91117, 114426, 120744, 126162, 152568, 168216, 182234, 189243, 228852, 252324, 273351, 364468, 378486, 457704, 504648, 546702, 728936, 756972, 820053, 1093404, 1513944, 1640106, 2186808, 2460159, 3280212, 4920318, 6560424, 9840636, 19681272]

約数ペア:

[(1, 19681272), (2, 9840636), (3, 6560424), (4, 4920318), (6, 3280212), (8, 2460159), (9, 2186808), (12, 1640106), (13, 1513944), (18, 1093404), (24, 820053), (26, 756972), (27, 728936), (36, 546702), (39, 504648), (43, 457704), (52, 378486), (54, 364468), (72, 273351), (78, 252324), (86, 228852), (104, 189243), (108, 182234), (117, 168216), (129, 152568), (156, 126162), (163, 120744), (172, 114426), (216, 91117), (234, 84108), (258, 76284), (312, 63081), (326, 60372), (344, 57213), (351, 56072), (387, 50856), (468, 42054), (489, 40248), (516, 38142), (559, 35208), (652, 30186), (702, 28036), (774, 25428), (936, 21027), (978, 20124), (1032, 19071), (1118, 17604), (1161, 16952), (1304, 15093), (1404, 14018), (1467, 13416), (1548, 12714), (1677, 11736), (1956, 10062), (2119, 9288), (2236, 8802), (2322, 8476), (2808, 7009), (2934, 6708), (3096, 6357), (3354, 5868), (3912, 5031), (4238, 4644), (4401, 4472)]