19825830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 53484480

約数和(自身を除く): 33658650

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 97, 135, 194, 270, 291, 485, 582, 757, 873, 970, 1455, 1514, 1746, 2271, 2619, 2910, 3785, 4365, 4542, 5238, 6813, 7570, 8730, 11355, 13095, 13626, 20439, 22710, 26190, 34065, 40878, 68130, 73429, 102195, 146858, 204390, 220287, 367145, 440574, 660861, 734290, 1101435, 1321722, 1982583, 2202870, 3304305, 3965166, 6608610, 9912915, 19825830]

約数ペア:

[(1, 19825830), (2, 9912915), (3, 6608610), (5, 3965166), (6, 3304305), (9, 2202870), (10, 1982583), (15, 1321722), (18, 1101435), (27, 734290), (30, 660861), (45, 440574), (54, 367145), (90, 220287), (97, 204390), (135, 146858), (194, 102195), (270, 73429), (291, 68130), (485, 40878), (582, 34065), (757, 26190), (873, 22710), (970, 20439), (1455, 13626), (1514, 13095), (1746, 11355), (2271, 8730), (2619, 7570), (2910, 6813), (3785, 5238), (4365, 4542)]