19986330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7321}}^1$

素因数の和:7351

約数の個数: 64

約数和(自身を含む): 59044608

約数和(自身を除く): 39058278

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7321, 14642, 21963, 36605, 43926, 51247, 73210, 95173, 102494, 109815, 153741, 190346, 219630, 256235, 285519, 307482, 475865, 512470, 571038, 666211, 768705, 951730, 1332422, 1427595, 1537410, 1998633, 2855190, 3331055, 3997266, 6662110, 9993165, 19986330]

約数ペア:

[(1, 19986330), (2, 9993165), (3, 6662110), (5, 3997266), (6, 3331055), (7, 2855190), (10, 1998633), (13, 1537410), (14, 1427595), (15, 1332422), (21, 951730), (26, 768705), (30, 666211), (35, 571038), (39, 512470), (42, 475865), (65, 307482), (70, 285519), (78, 256235), (91, 219630), (105, 190346), (130, 153741), (182, 109815), (195, 102494), (210, 95173), (273, 73210), (390, 51247), (455, 43926), (546, 36605), (910, 21963), (1365, 14642), (2730, 7321)]