19960452

素因数分解:

$2^2\times 3^3\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 51990400

約数和(自身を除く): 32029948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 421, 439, 842, 878, 1263, 1317, 1684, 1756, 2526, 2634, 3789, 3951, 5052, 5268, 7578, 7902, 11367, 11853, 15156, 15804, 22734, 23706, 45468, 47412, 184819, 369638, 554457, 739276, 1108914, 1663371, 2217828, 3326742, 4990113, 6653484, 9980226, 19960452]

約数ペア:

[(1, 19960452), (2, 9980226), (3, 6653484), (4, 4990113), (6, 3326742), (9, 2217828), (12, 1663371), (18, 1108914), (27, 739276), (36, 554457), (54, 369638), (108, 184819), (421, 47412), (439, 45468), (842, 23706), (878, 22734), (1263, 15804), (1317, 15156), (1684, 11853), (1756, 11367), (2526, 7902), (2634, 7578), (3789, 5268), (3951, 5052)]