18714880

素因数分解:

$2^8\times 5^1\times {\mathrm{14621}}^1$

素因数の和:14642

約数の個数: 36

約数和(自身を含む): 44831052

約数和(自身を除く): 26116172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 14621, 29242, 58484, 73105, 116968, 146210, 233936, 292420, 467872, 584840, 935744, 1169680, 1871488, 2339360, 3742976, 4678720, 9357440, 18714880]

約数ペア:

[(1, 18714880), (2, 9357440), (4, 4678720), (5, 3742976), (8, 2339360), (10, 1871488), (16, 1169680), (20, 935744), (32, 584840), (40, 467872), (64, 292420), (80, 233936), (128, 146210), (160, 116968), (256, 73105), (320, 58484), (640, 29242), (1280, 14621)]