19783896

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{547}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 54449280

約数和(自身を除く): 34665384

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 137, 264, 274, 411, 547, 548, 822, 1094, 1096, 1507, 1641, 1644, 2188, 3014, 3282, 3288, 4376, 4521, 6017, 6028, 6564, 9042, 12034, 12056, 13128, 18051, 18084, 24068, 36102, 36168, 48136, 72204, 74939, 144408, 149878, 224817, 299756, 449634, 599512, 824329, 899268, 1648658, 1798536, 2472987, 3297316, 4945974, 6594632, 9891948, 19783896]

約数ペア:

[(1, 19783896), (2, 9891948), (3, 6594632), (4, 4945974), (6, 3297316), (8, 2472987), (11, 1798536), (12, 1648658), (22, 899268), (24, 824329), (33, 599512), (44, 449634), (66, 299756), (88, 224817), (132, 149878), (137, 144408), (264, 74939), (274, 72204), (411, 48136), (547, 36168), (548, 36102), (822, 24068), (1094, 18084), (1096, 18051), (1507, 13128), (1641, 12056), (1644, 12034), (2188, 9042), (3014, 6564), (3282, 6028), (3288, 6017), (4376, 4521)]