1999600432

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 4143886560

約数和(自身を除く): 2144286128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 173, 193, 197, 304, 346, 386, 394, 692, 772, 788, 1384, 1544, 1576, 2768, 3088, 3152, 3287, 3667, 3743, 6574, 7334, 7486, 13148, 14668, 14972, 26296, 29336, 29944, 33389, 34081, 38021, 52592, 58672, 59888, 66778, 68162, 76042, 133556, 136324, 152084, 267112, 272648, 304168, 534224, 545296, 608336, 634391, 647539, 722399, 1268782, 1295078, 1444798, 2537564, 2590156, 2889596, 5075128, 5180312, 5779192, 6577633, 10150256, 10360624, 11558384, 13155266, 26310532, 52621064, 105242128, 124975027, 249950054, 499900108, 999800216, 1999600432]

約数ペア:

[(1, 1999600432), (2, 999800216), (4, 499900108), (8, 249950054), (16, 124975027), (19, 105242128), (38, 52621064), (76, 26310532), (152, 13155266), (173, 11558384), (193, 10360624), (197, 10150256), (304, 6577633), (346, 5779192), (386, 5180312), (394, 5075128), (692, 2889596), (772, 2590156), (788, 2537564), (1384, 1444798), (1544, 1295078), (1576, 1268782), (2768, 722399), (3088, 647539), (3152, 634391), (3287, 608336), (3667, 545296), (3743, 534224), (6574, 304168), (7334, 272648), (7486, 267112), (13148, 152084), (14668, 136324), (14972, 133556), (26296, 76042), (29336, 68162), (29944, 66778), (33389, 59888), (34081, 58672), (38021, 52592)]