16988432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 37497600

約数和(自身を除く): 20509168

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 41, 47, 58, 76, 82, 94, 116, 152, 164, 188, 232, 304, 328, 376, 464, 551, 656, 752, 779, 893, 1102, 1189, 1363, 1558, 1786, 1927, 2204, 2378, 2726, 3116, 3572, 3854, 4408, 4756, 5452, 6232, 7144, 7708, 8816, 9512, 10904, 12464, 14288, 15416, 19024, 21808, 22591, 25897, 30832, 36613, 45182, 51794, 55883, 73226, 90364, 103588, 111766, 146452, 180728, 207176, 223532, 292904, 361456, 414352, 447064, 585808, 894128, 1061777, 2123554, 4247108, 8494216, 16988432]

約数ペア:

[(1, 16988432), (2, 8494216), (4, 4247108), (8, 2123554), (16, 1061777), (19, 894128), (29, 585808), (38, 447064), (41, 414352), (47, 361456), (58, 292904), (76, 223532), (82, 207176), (94, 180728), (116, 146452), (152, 111766), (164, 103588), (188, 90364), (232, 73226), (304, 55883), (328, 51794), (376, 45182), (464, 36613), (551, 30832), (656, 25897), (752, 22591), (779, 21808), (893, 19024), (1102, 15416), (1189, 14288), (1363, 12464), (1558, 10904), (1786, 9512), (1927, 8816), (2204, 7708), (2378, 7144), (2726, 6232), (3116, 5452), (3572, 4756), (3854, 4408)]