18528337926

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{690377}}^1$

素因数の和:690466

約数の個数: 64

約数和(自身を含む): 47718927360

約数和(自身を除く): 29190589434

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 8946, 13419, 26838, 690377, 1380754, 2071131, 4142262, 4832639, 6213393, 9665278, 12426786, 14497917, 18640179, 28995834, 37280358, 43493751, 49016767, 86987502, 98033534, 130481253, 147050301, 260962506, 294100602, 343117369, 441150903, 686234738, 882301806, 1029352107, 1323452709, 2058704214, 2646905418, 3088056321, 6176112642, 9264168963, 18528337926]

約数ペア:

[(1, 18528337926), (2, 9264168963), (3, 6176112642), (6, 3088056321), (7, 2646905418), (9, 2058704214), (14, 1323452709), (18, 1029352107), (21, 882301806), (27, 686234738), (42, 441150903), (54, 343117369), (63, 294100602), (71, 260962506), (126, 147050301), (142, 130481253), (189, 98033534), (213, 86987502), (378, 49016767), (426, 43493751), (497, 37280358), (639, 28995834), (994, 18640179), (1278, 14497917), (1491, 12426786), (1917, 9665278), (2982, 6213393), (3834, 4832639), (4473, 4142262), (8946, 2071131), (13419, 1380754), (26838, 690377)]