19951488

素因数分解:

$2^7\times 3^3\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 61689600

約数和(自身を除く): 41738112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 251, 276, 288, 368, 384, 414, 432, 502, 552, 576, 621, 736, 753, 828, 864, 1004, 1104, 1152, 1242, 1472, 1506, 1656, 1728, 2008, 2208, 2259, 2484, 2944, 3012, 3312, 3456, 4016, 4416, 4518, 4968, 5773, 6024, 6624, 6777, 8032, 8832, 9036, 9936, 11546, 12048, 13248, 13554, 16064, 17319, 18072, 19872, 23092, 24096, 26496, 27108, 32128, 34638, 36144, 39744, 46184, 48192, 51957, 54216, 69276, 72288, 79488, 92368, 96384, 103914, 108432, 138552, 144576, 155871, 184736, 207828, 216864, 277104, 289152, 311742, 369472, 415656, 433728, 554208, 623484, 738944, 831312, 867456, 1108416, 1246968, 1662624, 2216832, 2493936, 3325248, 4987872, 6650496, 9975744, 19951488]

約数ペア:

[(1, 19951488), (2, 9975744), (3, 6650496), (4, 4987872), (6, 3325248), (8, 2493936), (9, 2216832), (12, 1662624), (16, 1246968), (18, 1108416), (23, 867456), (24, 831312), (27, 738944), (32, 623484), (36, 554208), (46, 433728), (48, 415656), (54, 369472), (64, 311742), (69, 289152), (72, 277104), (92, 216864), (96, 207828), (108, 184736), (128, 155871), (138, 144576), (144, 138552), (184, 108432), (192, 103914), (207, 96384), (216, 92368), (251, 79488), (276, 72288), (288, 69276), (368, 54216), (384, 51957), (414, 48192), (432, 46184), (502, 39744), (552, 36144), (576, 34638), (621, 32128), (736, 27108), (753, 26496), (828, 24096), (864, 23092), (1004, 19872), (1104, 18072), (1152, 17319), (1242, 16064), (1472, 13554), (1506, 13248), (1656, 12048), (1728, 11546), (2008, 9936), (2208, 9036), (2259, 8832), (2484, 8032), (2944, 6777), (3012, 6624), (3312, 6024), (3456, 5773), (4016, 4968), (4416, 4518)]