2019019971

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 3041280000

約数和(自身を除く): 1022260029

約数列:

[1, 3, 19, 23, 57, 69, 71, 109, 199, 213, 327, 437, 597, 1311, 1349, 1633, 2071, 2507, 3781, 4047, 4577, 4899, 6213, 7521, 7739, 11343, 13731, 14129, 21691, 23217, 31027, 42387, 47633, 65073, 86963, 93081, 142899, 147041, 177997, 260889, 268451, 324967, 412129, 441123, 498893, 533991, 805353, 974901, 1236387, 1496679, 1540061, 3381943, 4620183, 6174373, 9478967, 10145829, 18523119, 28436901, 29261159, 35421403, 87783477, 106264209, 673006657, 2019019971]

約数ペア:

[(1, 2019019971), (3, 673006657), (19, 106264209), (23, 87783477), (57, 35421403), (69, 29261159), (71, 28436901), (109, 18523119), (199, 10145829), (213, 9478967), (327, 6174373), (437, 4620183), (597, 3381943), (1311, 1540061), (1349, 1496679), (1633, 1236387), (2071, 974901), (2507, 805353), (3781, 533991), (4047, 498893), (4577, 441123), (4899, 412129), (6213, 324967), (7521, 268451), (7739, 260889), (11343, 177997), (13731, 147041), (14129, 142899), (21691, 93081), (23217, 86963), (31027, 65073), (42387, 47633)]