19437280

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2963}}^1$

素因数の和:3019

約数の個数: 48

約数和(自身を含む): 47056464

約数和(自身を除く): 27619184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2963, 3280, 5926, 6560, 11852, 14815, 23704, 29630, 47408, 59260, 94816, 118520, 121483, 237040, 242966, 474080, 485932, 607415, 971864, 1214830, 1943728, 2429660, 3887456, 4859320, 9718640, 19437280]

約数ペア:

[(1, 19437280), (2, 9718640), (4, 4859320), (5, 3887456), (8, 2429660), (10, 1943728), (16, 1214830), (20, 971864), (32, 607415), (40, 485932), (41, 474080), (80, 242966), (82, 237040), (160, 121483), (164, 118520), (205, 94816), (328, 59260), (410, 47408), (656, 29630), (820, 23704), (1312, 14815), (1640, 11852), (2963, 6560), (3280, 5926)]