19516002

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26103198

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 79, 114, 158, 197, 209, 237, 394, 418, 474, 591, 627, 869, 1182, 1254, 1501, 1738, 2167, 2607, 3002, 3743, 4334, 4503, 5214, 6501, 7486, 9006, 11229, 13002, 15563, 16511, 22458, 31126, 33022, 41173, 46689, 49533, 82346, 93378, 99066, 123519, 171193, 247038, 295697, 342386, 513579, 591394, 887091, 1027158, 1774182, 3252667, 6505334, 9758001, 19516002]

約数ペア:

[(1, 19516002), (2, 9758001), (3, 6505334), (6, 3252667), (11, 1774182), (19, 1027158), (22, 887091), (33, 591394), (38, 513579), (57, 342386), (66, 295697), (79, 247038), (114, 171193), (158, 123519), (197, 99066), (209, 93378), (237, 82346), (394, 49533), (418, 46689), (474, 41173), (591, 33022), (627, 31126), (869, 22458), (1182, 16511), (1254, 15563), (1501, 13002), (1738, 11229), (2167, 9006), (2607, 7486), (3002, 6501), (3743, 5214), (4334, 4503)]