19818287896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1439}}^1\times {\mathrm{8237}}^1$

素因数の和:9712

約数の個数: 64

約数和(自身を含む): 42705792000

約数和(自身を除く): 22887504104

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1439, 1672, 2878, 5756, 8237, 11512, 15829, 16474, 27341, 31658, 32948, 54682, 63316, 65896, 90607, 109364, 126632, 156503, 181214, 218728, 300751, 313006, 362428, 601502, 626012, 724856, 1203004, 1252024, 1721533, 2406008, 3443066, 6886132, 11853043, 13772264, 23706086, 47412172, 94824344, 130383473, 225207817, 260766946, 450415634, 521533892, 900831268, 1043067784, 1801662536, 2477285987, 4954571974, 9909143948, 19818287896]

約数ペア:

[(1, 19818287896), (2, 9909143948), (4, 4954571974), (8, 2477285987), (11, 1801662536), (19, 1043067784), (22, 900831268), (38, 521533892), (44, 450415634), (76, 260766946), (88, 225207817), (152, 130383473), (209, 94824344), (418, 47412172), (836, 23706086), (1439, 13772264), (1672, 11853043), (2878, 6886132), (5756, 3443066), (8237, 2406008), (11512, 1721533), (15829, 1252024), (16474, 1203004), (27341, 724856), (31658, 626012), (32948, 601502), (54682, 362428), (63316, 313006), (65896, 300751), (90607, 218728), (109364, 181214), (126632, 156503)]