19797408

素因数分解:

$2^5\times 3^2\times {\mathrm{53}}^1\times {\mathrm{1297}}^1$

素因数の和:1366

約数の個数: 72

約数和(自身を含む): 57405348

約数和(自身を除く): 37607940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 72, 96, 106, 144, 159, 212, 288, 318, 424, 477, 636, 848, 954, 1272, 1297, 1696, 1908, 2544, 2594, 3816, 3891, 5088, 5188, 7632, 7782, 10376, 11673, 15264, 15564, 20752, 23346, 31128, 41504, 46692, 62256, 68741, 93384, 124512, 137482, 186768, 206223, 274964, 373536, 412446, 549928, 618669, 824892, 1099856, 1237338, 1649784, 2199712, 2474676, 3299568, 4949352, 6599136, 9898704, 19797408]

約数ペア:

[(1, 19797408), (2, 9898704), (3, 6599136), (4, 4949352), (6, 3299568), (8, 2474676), (9, 2199712), (12, 1649784), (16, 1237338), (18, 1099856), (24, 824892), (32, 618669), (36, 549928), (48, 412446), (53, 373536), (72, 274964), (96, 206223), (106, 186768), (144, 137482), (159, 124512), (212, 93384), (288, 68741), (318, 62256), (424, 46692), (477, 41504), (636, 31128), (848, 23346), (954, 20752), (1272, 15564), (1297, 15264), (1696, 11673), (1908, 10376), (2544, 7782), (2594, 7632), (3816, 5188), (3891, 5088)]