18481642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 31219200

約数和(自身を除く): 12737558

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 541, 551, 589, 899, 1082, 1102, 1178, 1798, 10279, 15689, 16771, 17081, 20558, 31378, 33542, 34162, 298091, 318649, 486359, 596182, 637298, 972718, 9240821, 18481642]

約数ペア:

[(1, 18481642), (2, 9240821), (19, 972718), (29, 637298), (31, 596182), (38, 486359), (58, 318649), (62, 298091), (541, 34162), (551, 33542), (589, 31378), (899, 20558), (1082, 17081), (1102, 16771), (1178, 15689), (1798, 10279)]