18938280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1738

約数の個数: 64

約数和(自身を含む): 57435840

約数和(自身を除く): 38497560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1627, 1940, 2328, 2910, 3254, 3880, 4881, 5820, 6508, 8135, 9762, 11640, 13016, 16270, 19524, 24405, 32540, 39048, 48810, 65080, 97620, 157819, 195240, 315638, 473457, 631276, 789095, 946914, 1262552, 1578190, 1893828, 2367285, 3156380, 3787656, 4734570, 6312760, 9469140, 18938280]

約数ペア:

[(1, 18938280), (2, 9469140), (3, 6312760), (4, 4734570), (5, 3787656), (6, 3156380), (8, 2367285), (10, 1893828), (12, 1578190), (15, 1262552), (20, 946914), (24, 789095), (30, 631276), (40, 473457), (60, 315638), (97, 195240), (120, 157819), (194, 97620), (291, 65080), (388, 48810), (485, 39048), (582, 32540), (776, 24405), (970, 19524), (1164, 16270), (1455, 13016), (1627, 11640), (1940, 9762), (2328, 8135), (2910, 6508), (3254, 5820), (3880, 4881)]