18872960

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{797}}^1$

素因数の和:853

約数の個数: 64

約数和(自身を含む): 46395720

約数和(自身を除く): 27522760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 797, 1184, 1480, 1594, 2368, 2960, 3188, 3985, 4736, 5920, 6376, 7970, 11840, 12752, 15940, 23680, 25504, 29489, 31880, 51008, 58978, 63760, 102016, 117956, 127520, 147445, 235912, 255040, 294890, 471824, 510080, 589780, 943648, 1179560, 1887296, 2359120, 3774592, 4718240, 9436480, 18872960]

約数ペア:

[(1, 18872960), (2, 9436480), (4, 4718240), (5, 3774592), (8, 2359120), (10, 1887296), (16, 1179560), (20, 943648), (32, 589780), (37, 510080), (40, 471824), (64, 294890), (74, 255040), (80, 235912), (128, 147445), (148, 127520), (160, 117956), (185, 102016), (296, 63760), (320, 58978), (370, 51008), (592, 31880), (640, 29489), (740, 25504), (797, 23680), (1184, 15940), (1480, 12752), (1594, 11840), (2368, 7970), (2960, 6376), (3188, 5920), (3985, 4736)]