19820430

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10487}}^1$

素因数の和:10510

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 40590450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10487, 20974, 31461, 52435, 62922, 73409, 94383, 104870, 146818, 157305, 188766, 220227, 283149, 314610, 367045, 440454, 471915, 566298, 660681, 734090, 943830, 1101135, 1321362, 1415745, 1982043, 2202270, 2831490, 3303405, 3964086, 6606810, 9910215, 19820430]

約数ペア:

[(1, 19820430), (2, 9910215), (3, 6606810), (5, 3964086), (6, 3303405), (7, 2831490), (9, 2202270), (10, 1982043), (14, 1415745), (15, 1321362), (18, 1101135), (21, 943830), (27, 734090), (30, 660681), (35, 566298), (42, 471915), (45, 440454), (54, 367045), (63, 314610), (70, 283149), (90, 220227), (105, 188766), (126, 157305), (135, 146818), (189, 104870), (210, 94383), (270, 73409), (315, 62922), (378, 52435), (630, 31461), (945, 20974), (1890, 10487)]