18420768

素因数分解:

$2^5\times 3^2\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:566

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 34414560

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 167, 288, 334, 383, 501, 668, 766, 1002, 1149, 1336, 1503, 1532, 2004, 2298, 2672, 3006, 3064, 3447, 4008, 4596, 5344, 6012, 6128, 6894, 8016, 9192, 12024, 12256, 13788, 16032, 18384, 24048, 27576, 36768, 48096, 55152, 63961, 110304, 127922, 191883, 255844, 383766, 511688, 575649, 767532, 1023376, 1151298, 1535064, 2046752, 2302596, 3070128, 4605192, 6140256, 9210384, 18420768]

約数ペア:

[(1, 18420768), (2, 9210384), (3, 6140256), (4, 4605192), (6, 3070128), (8, 2302596), (9, 2046752), (12, 1535064), (16, 1151298), (18, 1023376), (24, 767532), (32, 575649), (36, 511688), (48, 383766), (72, 255844), (96, 191883), (144, 127922), (167, 110304), (288, 63961), (334, 55152), (383, 48096), (501, 36768), (668, 27576), (766, 24048), (1002, 18384), (1149, 16032), (1336, 13788), (1503, 12256), (1532, 12024), (2004, 9192), (2298, 8016), (2672, 6894), (3006, 6128), (3064, 6012), (3447, 5344), (4008, 4596)]