18125390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1088

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 16158130

約数列:

[1, 2, 5, 10, 31, 59, 62, 118, 155, 295, 310, 590, 991, 1829, 1982, 3658, 4955, 9145, 9910, 18290, 30721, 58469, 61442, 116938, 153605, 292345, 307210, 584690, 1812539, 3625078, 9062695, 18125390]

約数ペア:

[(1, 18125390), (2, 9062695), (5, 3625078), (10, 1812539), (31, 584690), (59, 307210), (62, 292345), (118, 153605), (155, 116938), (295, 61442), (310, 58469), (590, 30721), (991, 18290), (1829, 9910), (1982, 9145), (3658, 4955)]