16989912

素因数分解:

$2^3\times 3^4\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 48177360

約数和(自身を除く): 31187448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 157, 162, 167, 216, 314, 324, 334, 471, 501, 628, 648, 668, 942, 1002, 1256, 1336, 1413, 1503, 1884, 2004, 2826, 3006, 3768, 4008, 4239, 4509, 5652, 6012, 8478, 9018, 11304, 12024, 12717, 13527, 16956, 18036, 25434, 26219, 27054, 33912, 36072, 50868, 52438, 54108, 78657, 101736, 104876, 108216, 157314, 209752, 235971, 314628, 471942, 629256, 707913, 943884, 1415826, 1887768, 2123739, 2831652, 4247478, 5663304, 8494956, 16989912]

約数ペア:

[(1, 16989912), (2, 8494956), (3, 5663304), (4, 4247478), (6, 2831652), (8, 2123739), (9, 1887768), (12, 1415826), (18, 943884), (24, 707913), (27, 629256), (36, 471942), (54, 314628), (72, 235971), (81, 209752), (108, 157314), (157, 108216), (162, 104876), (167, 101736), (216, 78657), (314, 54108), (324, 52438), (334, 50868), (471, 36072), (501, 33912), (628, 27054), (648, 26219), (668, 25434), (942, 18036), (1002, 16956), (1256, 13527), (1336, 12717), (1413, 12024), (1503, 11304), (1884, 9018), (2004, 8478), (2826, 6012), (3006, 5652), (3768, 4509), (4008, 4239)]