18953880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 63141120

約数和(自身を除く): 44187240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 83, 88, 110, 120, 132, 165, 166, 173, 220, 249, 264, 330, 332, 346, 415, 440, 498, 519, 660, 664, 692, 830, 865, 913, 996, 1038, 1245, 1320, 1384, 1660, 1730, 1826, 1903, 1992, 2076, 2490, 2595, 2739, 3320, 3460, 3652, 3806, 4152, 4565, 4980, 5190, 5478, 5709, 6920, 7304, 7612, 9130, 9515, 9960, 10380, 10956, 11418, 13695, 14359, 15224, 18260, 19030, 20760, 21912, 22836, 27390, 28545, 28718, 36520, 38060, 43077, 45672, 54780, 57090, 57436, 71795, 76120, 86154, 109560, 114180, 114872, 143590, 157949, 172308, 215385, 228360, 287180, 315898, 344616, 430770, 473847, 574360, 631796, 789745, 861540, 947694, 1263592, 1579490, 1723080, 1895388, 2369235, 3158980, 3790776, 4738470, 6317960, 9476940, 18953880]

約数ペア:

[(1, 18953880), (2, 9476940), (3, 6317960), (4, 4738470), (5, 3790776), (6, 3158980), (8, 2369235), (10, 1895388), (11, 1723080), (12, 1579490), (15, 1263592), (20, 947694), (22, 861540), (24, 789745), (30, 631796), (33, 574360), (40, 473847), (44, 430770), (55, 344616), (60, 315898), (66, 287180), (83, 228360), (88, 215385), (110, 172308), (120, 157949), (132, 143590), (165, 114872), (166, 114180), (173, 109560), (220, 86154), (249, 76120), (264, 71795), (330, 57436), (332, 57090), (346, 54780), (415, 45672), (440, 43077), (498, 38060), (519, 36520), (660, 28718), (664, 28545), (692, 27390), (830, 22836), (865, 21912), (913, 20760), (996, 19030), (1038, 18260), (1245, 15224), (1320, 14359), (1384, 13695), (1660, 11418), (1730, 10956), (1826, 10380), (1903, 9960), (1992, 9515), (2076, 9130), (2490, 7612), (2595, 7304), (2739, 6920), (3320, 5709), (3460, 5478), (3652, 5190), (3806, 4980), (4152, 4565)]