2019979778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{6907}}^1$

素因数の和:7082

約数の個数: 32

約数和(自身を含む): 3222996480

約数和(自身を除く): 1203016702

約数列:

[1, 2, 31, 53, 62, 89, 106, 178, 1643, 2759, 3286, 4717, 5518, 6907, 9434, 13814, 146227, 214117, 292454, 366071, 428234, 614723, 732142, 1229446, 11348201, 19056413, 22696402, 32580319, 38112826, 65160638, 1009989889, 2019979778]

約数ペア:

[(1, 2019979778), (2, 1009989889), (31, 65160638), (53, 38112826), (62, 32580319), (89, 22696402), (106, 19056413), (178, 11348201), (1643, 1229446), (2759, 732142), (3286, 614723), (4717, 428234), (5518, 366071), (6907, 292454), (9434, 214117), (13814, 146227)]