19827040

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1493}}^1$

素因数の和:1591

約数の個数: 48

約数和(自身を含む): 47437488

約数和(自身を除く): 27610448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1493, 1660, 2656, 2986, 3320, 5972, 6640, 7465, 11944, 13280, 14930, 23888, 29860, 47776, 59720, 119440, 123919, 238880, 247838, 495676, 619595, 991352, 1239190, 1982704, 2478380, 3965408, 4956760, 9913520, 19827040]

約数ペア:

[(1, 19827040), (2, 9913520), (4, 4956760), (5, 3965408), (8, 2478380), (10, 1982704), (16, 1239190), (20, 991352), (32, 619595), (40, 495676), (80, 247838), (83, 238880), (160, 123919), (166, 119440), (332, 59720), (415, 47776), (664, 29860), (830, 23888), (1328, 14930), (1493, 13280), (1660, 11944), (2656, 7465), (2986, 6640), (3320, 5972)]