18923450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4159}}^1$

素因数の和:4191

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 24407110

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4159, 4550, 8318, 20795, 29113, 41590, 54067, 58226, 103975, 108134, 145565, 207950, 270335, 291130, 378469, 540670, 727825, 756938, 1351675, 1455650, 1892345, 2703350, 3784690, 9461725, 18923450]

約数ペア:

[(1, 18923450), (2, 9461725), (5, 3784690), (7, 2703350), (10, 1892345), (13, 1455650), (14, 1351675), (25, 756938), (26, 727825), (35, 540670), (50, 378469), (65, 291130), (70, 270335), (91, 207950), (130, 145565), (175, 108134), (182, 103975), (325, 58226), (350, 54067), (455, 41590), (650, 29113), (910, 20795), (2275, 8318), (4159, 4550)]