19749456

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 120

約数和(自身を含む): 59192640

約数和(自身を除く): 39443184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 67, 69, 72, 89, 92, 134, 138, 144, 178, 184, 201, 207, 267, 268, 276, 356, 368, 402, 414, 534, 536, 552, 603, 712, 801, 804, 828, 1068, 1072, 1104, 1206, 1424, 1541, 1602, 1608, 1656, 2047, 2136, 2412, 3082, 3204, 3216, 3312, 4094, 4272, 4623, 4824, 5963, 6141, 6164, 6408, 8188, 9246, 9648, 11926, 12282, 12328, 12816, 13869, 16376, 17889, 18423, 18492, 23852, 24564, 24656, 27738, 32752, 35778, 36846, 36984, 47704, 49128, 53667, 55476, 71556, 73692, 73968, 95408, 98256, 107334, 110952, 137149, 143112, 147384, 214668, 221904, 274298, 286224, 294768, 411447, 429336, 548596, 822894, 858672, 1097192, 1234341, 1645788, 2194384, 2468682, 3291576, 4937364, 6583152, 9874728, 19749456]

約数ペア:

[(1, 19749456), (2, 9874728), (3, 6583152), (4, 4937364), (6, 3291576), (8, 2468682), (9, 2194384), (12, 1645788), (16, 1234341), (18, 1097192), (23, 858672), (24, 822894), (36, 548596), (46, 429336), (48, 411447), (67, 294768), (69, 286224), (72, 274298), (89, 221904), (92, 214668), (134, 147384), (138, 143112), (144, 137149), (178, 110952), (184, 107334), (201, 98256), (207, 95408), (267, 73968), (268, 73692), (276, 71556), (356, 55476), (368, 53667), (402, 49128), (414, 47704), (534, 36984), (536, 36846), (552, 35778), (603, 32752), (712, 27738), (801, 24656), (804, 24564), (828, 23852), (1068, 18492), (1072, 18423), (1104, 17889), (1206, 16376), (1424, 13869), (1541, 12816), (1602, 12328), (1608, 12282), (1656, 11926), (2047, 9648), (2136, 9246), (2412, 8188), (3082, 6408), (3204, 6164), (3216, 6141), (3312, 5963), (4094, 4824), (4272, 4623)]