19381938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 44115840

約数和(自身を除く): 24733902

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 73, 102, 114, 137, 146, 219, 274, 323, 411, 438, 646, 822, 969, 1241, 1387, 1938, 2329, 2482, 2603, 2774, 3723, 4161, 4658, 5206, 6987, 7446, 7809, 8322, 10001, 13974, 15618, 20002, 23579, 30003, 44251, 47158, 60006, 70737, 88502, 132753, 141474, 170017, 190019, 265506, 340034, 380038, 510051, 570057, 1020102, 1140114, 3230323, 6460646, 9690969, 19381938]

約数ペア:

[(1, 19381938), (2, 9690969), (3, 6460646), (6, 3230323), (17, 1140114), (19, 1020102), (34, 570057), (38, 510051), (51, 380038), (57, 340034), (73, 265506), (102, 190019), (114, 170017), (137, 141474), (146, 132753), (219, 88502), (274, 70737), (323, 60006), (411, 47158), (438, 44251), (646, 30003), (822, 23579), (969, 20002), (1241, 15618), (1387, 13974), (1938, 10001), (2329, 8322), (2482, 7809), (2603, 7446), (2774, 6987), (3723, 5206), (4161, 4658)]