19008081279

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{9871}}^1$

素因数の和:10308

約数の個数: 48

約数和(自身を含む): 30603515904

約数和(自身を除く): 11595434625

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 367, 477, 583, 1101, 1749, 3303, 4037, 5247, 9871, 12111, 19451, 29613, 36333, 58353, 88839, 108581, 175059, 213961, 325743, 523163, 641883, 977229, 1569489, 1925649, 3622657, 4708467, 5754793, 10867971, 17264379, 32603913, 39849227, 51793137, 119547681, 192000821, 358643043, 576002463, 1728007389, 2112009031, 6336027093, 19008081279]

約数ペア:

[(1, 19008081279), (3, 6336027093), (9, 2112009031), (11, 1728007389), (33, 576002463), (53, 358643043), (99, 192000821), (159, 119547681), (367, 51793137), (477, 39849227), (583, 32603913), (1101, 17264379), (1749, 10867971), (3303, 5754793), (4037, 4708467), (5247, 3622657), (9871, 1925649), (12111, 1569489), (19451, 977229), (29613, 641883), (36333, 523163), (58353, 325743), (88839, 213961), (108581, 175059)]