19803924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 57919680

約数和(自身を除く): 38115756

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 89, 126, 178, 252, 267, 356, 534, 623, 801, 883, 1068, 1246, 1602, 1766, 1869, 2492, 2649, 3204, 3532, 3738, 5298, 5607, 6181, 7476, 7947, 10596, 11214, 12362, 15894, 18543, 22428, 24724, 31788, 37086, 55629, 74172, 78587, 111258, 157174, 222516, 235761, 314348, 471522, 550109, 707283, 943044, 1100218, 1414566, 1650327, 2200436, 2829132, 3300654, 4950981, 6601308, 9901962, 19803924]

約数ペア:

[(1, 19803924), (2, 9901962), (3, 6601308), (4, 4950981), (6, 3300654), (7, 2829132), (9, 2200436), (12, 1650327), (14, 1414566), (18, 1100218), (21, 943044), (28, 707283), (36, 550109), (42, 471522), (63, 314348), (84, 235761), (89, 222516), (126, 157174), (178, 111258), (252, 78587), (267, 74172), (356, 55629), (534, 37086), (623, 31788), (801, 24724), (883, 22428), (1068, 18543), (1246, 15894), (1602, 12362), (1766, 11214), (1869, 10596), (2492, 7947), (2649, 7476), (3204, 6181), (3532, 5607), (3738, 5298)]