18748890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5081}}^1$

素因数の和:5135

約数の個数: 48

約数和(自身を含む): 49945896

約数和(自身を除く): 31197006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 615, 738, 1230, 1845, 3690, 5081, 10162, 15243, 25405, 30486, 45729, 50810, 76215, 91458, 152430, 208321, 228645, 416642, 457290, 624963, 1041605, 1249926, 1874889, 2083210, 3124815, 3749778, 6249630, 9374445, 18748890]

約数ペア:

[(1, 18748890), (2, 9374445), (3, 6249630), (5, 3749778), (6, 3124815), (9, 2083210), (10, 1874889), (15, 1249926), (18, 1041605), (30, 624963), (41, 457290), (45, 416642), (82, 228645), (90, 208321), (123, 152430), (205, 91458), (246, 76215), (369, 50810), (410, 45729), (615, 30486), (738, 25405), (1230, 15243), (1845, 10162), (3690, 5081)]