19656728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 47784960

約数和(自身を除く): 28128232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 67, 91, 104, 124, 134, 169, 182, 217, 248, 268, 338, 364, 403, 434, 469, 536, 676, 728, 806, 868, 871, 938, 1183, 1352, 1612, 1736, 1742, 1876, 2077, 2366, 2821, 3224, 3484, 3752, 4154, 4732, 5239, 5642, 6097, 6968, 8308, 9464, 10478, 11284, 11323, 12194, 14539, 16616, 20956, 22568, 22646, 24388, 27001, 29078, 36673, 41912, 45292, 48776, 54002, 58156, 73346, 79261, 90584, 108004, 116312, 146692, 158522, 189007, 216008, 293384, 317044, 351013, 378014, 634088, 702026, 756028, 1404052, 1512056, 2457091, 2808104, 4914182, 9828364, 19656728]

約数ペア:

[(1, 19656728), (2, 9828364), (4, 4914182), (7, 2808104), (8, 2457091), (13, 1512056), (14, 1404052), (26, 756028), (28, 702026), (31, 634088), (52, 378014), (56, 351013), (62, 317044), (67, 293384), (91, 216008), (104, 189007), (124, 158522), (134, 146692), (169, 116312), (182, 108004), (217, 90584), (248, 79261), (268, 73346), (338, 58156), (364, 54002), (403, 48776), (434, 45292), (469, 41912), (536, 36673), (676, 29078), (728, 27001), (806, 24388), (868, 22646), (871, 22568), (938, 20956), (1183, 16616), (1352, 14539), (1612, 12194), (1736, 11323), (1742, 11284), (1876, 10478), (2077, 9464), (2366, 8308), (2821, 6968), (3224, 6097), (3484, 5642), (3752, 5239), (4154, 4732)]