18901728

素因数分解:

$2^5\times 3^3\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 36981792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 131, 144, 167, 216, 262, 288, 334, 393, 432, 501, 524, 668, 786, 864, 1002, 1048, 1179, 1336, 1503, 1572, 2004, 2096, 2358, 2672, 3006, 3144, 3537, 4008, 4192, 4509, 4716, 5344, 6012, 6288, 7074, 8016, 9018, 9432, 12024, 12576, 14148, 16032, 18036, 18864, 21877, 24048, 28296, 36072, 37728, 43754, 48096, 56592, 65631, 72144, 87508, 113184, 131262, 144288, 175016, 196893, 262524, 350032, 393786, 525048, 590679, 700064, 787572, 1050096, 1181358, 1575144, 2100192, 2362716, 3150288, 4725432, 6300576, 9450864, 18901728]

約数ペア:

[(1, 18901728), (2, 9450864), (3, 6300576), (4, 4725432), (6, 3150288), (8, 2362716), (9, 2100192), (12, 1575144), (16, 1181358), (18, 1050096), (24, 787572), (27, 700064), (32, 590679), (36, 525048), (48, 393786), (54, 350032), (72, 262524), (96, 196893), (108, 175016), (131, 144288), (144, 131262), (167, 113184), (216, 87508), (262, 72144), (288, 65631), (334, 56592), (393, 48096), (432, 43754), (501, 37728), (524, 36072), (668, 28296), (786, 24048), (864, 21877), (1002, 18864), (1048, 18036), (1179, 16032), (1336, 14148), (1503, 12576), (1572, 12024), (2004, 9432), (2096, 9018), (2358, 8016), (2672, 7074), (3006, 6288), (3144, 6012), (3537, 5344), (4008, 4716), (4192, 4509)]