18788288

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 20713792

約数列:

[1, 2, 4, 8, 16, 29, 32, 53, 58, 64, 106, 116, 191, 212, 232, 382, 424, 464, 764, 848, 928, 1528, 1537, 1696, 1856, 3056, 3074, 3392, 5539, 6112, 6148, 10123, 11078, 12224, 12296, 20246, 22156, 24592, 40492, 44312, 49184, 80984, 88624, 98368, 161968, 177248, 293567, 323936, 354496, 587134, 647872, 1174268, 2348536, 4697072, 9394144, 18788288]

約数ペア:

[(1, 18788288), (2, 9394144), (4, 4697072), (8, 2348536), (16, 1174268), (29, 647872), (32, 587134), (53, 354496), (58, 323936), (64, 293567), (106, 177248), (116, 161968), (191, 98368), (212, 88624), (232, 80984), (382, 49184), (424, 44312), (464, 40492), (764, 24592), (848, 22156), (928, 20246), (1528, 12296), (1537, 12224), (1696, 11078), (1856, 10123), (3056, 6148), (3074, 6112), (3392, 5539)]