19941816

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 54254880

約数和(自身を除く): 34313064

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 408, 444, 629, 888, 1258, 1321, 1887, 2516, 2642, 3774, 3963, 5032, 5284, 7548, 7926, 10568, 15096, 15852, 22457, 31704, 44914, 48877, 67371, 89828, 97754, 134742, 146631, 179656, 195508, 269484, 293262, 391016, 538968, 586524, 830909, 1173048, 1661818, 2492727, 3323636, 4985454, 6647272, 9970908, 19941816]

約数ペア:

[(1, 19941816), (2, 9970908), (3, 6647272), (4, 4985454), (6, 3323636), (8, 2492727), (12, 1661818), (17, 1173048), (24, 830909), (34, 586524), (37, 538968), (51, 391016), (68, 293262), (74, 269484), (102, 195508), (111, 179656), (136, 146631), (148, 134742), (204, 97754), (222, 89828), (296, 67371), (408, 48877), (444, 44914), (629, 31704), (888, 22457), (1258, 15852), (1321, 15096), (1887, 10568), (2516, 7926), (2642, 7548), (3774, 5284), (3963, 5032)]