18999696

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 52496640

約数和(自身を除く): 33496944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 83, 114, 152, 166, 228, 249, 251, 304, 332, 456, 498, 502, 664, 753, 912, 996, 1004, 1328, 1506, 1577, 1992, 2008, 3012, 3154, 3984, 4016, 4731, 4769, 6024, 6308, 9462, 9538, 12048, 12616, 14307, 18924, 19076, 20833, 25232, 28614, 37848, 38152, 41666, 57228, 62499, 75696, 76304, 83332, 114456, 124998, 166664, 228912, 249996, 333328, 395827, 499992, 791654, 999984, 1187481, 1583308, 2374962, 3166616, 4749924, 6333232, 9499848, 18999696]

約数ペア:

[(1, 18999696), (2, 9499848), (3, 6333232), (4, 4749924), (6, 3166616), (8, 2374962), (12, 1583308), (16, 1187481), (19, 999984), (24, 791654), (38, 499992), (48, 395827), (57, 333328), (76, 249996), (83, 228912), (114, 166664), (152, 124998), (166, 114456), (228, 83332), (249, 76304), (251, 75696), (304, 62499), (332, 57228), (456, 41666), (498, 38152), (502, 37848), (664, 28614), (753, 25232), (912, 20833), (996, 19076), (1004, 18924), (1328, 14307), (1506, 12616), (1577, 12048), (1992, 9538), (2008, 9462), (3012, 6308), (3154, 6024), (3984, 4769), (4016, 4731)]