19911744

素因数分解:

$2^6\times 3^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 140

約数和(自身を含む): 61959744

約数和(自身を除く): 42048000

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 81, 92, 96, 108, 138, 144, 162, 167, 184, 192, 207, 216, 276, 288, 324, 334, 368, 414, 432, 501, 552, 576, 621, 648, 668, 736, 828, 864, 1002, 1104, 1242, 1296, 1336, 1472, 1503, 1656, 1728, 1863, 2004, 2208, 2484, 2592, 2672, 3006, 3312, 3726, 3841, 4008, 4416, 4509, 4968, 5184, 5344, 6012, 6624, 7452, 7682, 8016, 9018, 9936, 10688, 11523, 12024, 13248, 13527, 14904, 15364, 16032, 18036, 19872, 23046, 24048, 27054, 29808, 30728, 32064, 34569, 36072, 39744, 46092, 48096, 54108, 59616, 61456, 69138, 72144, 92184, 96192, 103707, 108216, 119232, 122912, 138276, 144288, 184368, 207414, 216432, 245824, 276552, 288576, 311121, 368736, 414828, 432864, 553104, 622242, 737472, 829656, 865728, 1106208, 1244484, 1659312, 2212416, 2488968, 3318624, 4977936, 6637248, 9955872, 19911744]

約数ペア:

[(1, 19911744), (2, 9955872), (3, 6637248), (4, 4977936), (6, 3318624), (8, 2488968), (9, 2212416), (12, 1659312), (16, 1244484), (18, 1106208), (23, 865728), (24, 829656), (27, 737472), (32, 622242), (36, 553104), (46, 432864), (48, 414828), (54, 368736), (64, 311121), (69, 288576), (72, 276552), (81, 245824), (92, 216432), (96, 207414), (108, 184368), (138, 144288), (144, 138276), (162, 122912), (167, 119232), (184, 108216), (192, 103707), (207, 96192), (216, 92184), (276, 72144), (288, 69138), (324, 61456), (334, 59616), (368, 54108), (414, 48096), (432, 46092), (501, 39744), (552, 36072), (576, 34569), (621, 32064), (648, 30728), (668, 29808), (736, 27054), (828, 24048), (864, 23046), (1002, 19872), (1104, 18036), (1242, 16032), (1296, 15364), (1336, 14904), (1472, 13527), (1503, 13248), (1656, 12024), (1728, 11523), (1863, 10688), (2004, 9936), (2208, 9018), (2484, 8016), (2592, 7682), (2672, 7452), (3006, 6624), (3312, 6012), (3726, 5344), (3841, 5184), (4008, 4968), (4416, 4509)]