2103908

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:120

約数の個数: 36

約数和(自身を含む): 4096512

約数和(自身を除く): 1992604

約数列:

[1, 2, 4, 19, 31, 38, 47, 62, 76, 94, 124, 188, 361, 589, 722, 893, 1178, 1444, 1457, 1786, 2356, 2914, 3572, 5828, 11191, 16967, 22382, 27683, 33934, 44764, 55366, 67868, 110732, 525977, 1051954, 2103908]

約数ペア:

[(1, 2103908), (2, 1051954), (4, 525977), (19, 110732), (31, 67868), (38, 55366), (47, 44764), (62, 33934), (76, 27683), (94, 22382), (124, 16967), (188, 11191), (361, 5828), (589, 3572), (722, 2914), (893, 2356), (1178, 1786), (1444, 1457)]