2019101120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7723}}^1$

素因数の和:7802

約数の個数: 112

約数和(自身を含む): 5179405440

約数和(自身を除く): 3160304320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 43, 64, 76, 80, 86, 95, 152, 160, 172, 190, 215, 304, 320, 344, 380, 430, 608, 688, 760, 817, 860, 1216, 1376, 1520, 1634, 1720, 2752, 3040, 3268, 3440, 4085, 6080, 6536, 6880, 7723, 8170, 13072, 13760, 15446, 16340, 26144, 30892, 32680, 38615, 52288, 61784, 65360, 77230, 123568, 130720, 146737, 154460, 247136, 261440, 293474, 308920, 332089, 494272, 586948, 617840, 664178, 733685, 1173896, 1235680, 1328356, 1467370, 1660445, 2347792, 2471360, 2656712, 2934740, 3320890, 4695584, 5313424, 5869480, 6309691, 6641780, 9391168, 10626848, 11738960, 12619382, 13283560, 21253696, 23477920, 25238764, 26567120, 31548455, 46955840, 50477528, 53134240, 63096910, 100955056, 106268480, 126193820, 201910112, 252387640, 403820224, 504775280, 1009550560, 2019101120]

約数ペア:

[(1, 2019101120), (2, 1009550560), (4, 504775280), (5, 403820224), (8, 252387640), (10, 201910112), (16, 126193820), (19, 106268480), (20, 100955056), (32, 63096910), (38, 53134240), (40, 50477528), (43, 46955840), (64, 31548455), (76, 26567120), (80, 25238764), (86, 23477920), (95, 21253696), (152, 13283560), (160, 12619382), (172, 11738960), (190, 10626848), (215, 9391168), (304, 6641780), (320, 6309691), (344, 5869480), (380, 5313424), (430, 4695584), (608, 3320890), (688, 2934740), (760, 2656712), (817, 2471360), (860, 2347792), (1216, 1660445), (1376, 1467370), (1520, 1328356), (1634, 1235680), (1720, 1173896), (2752, 733685), (3040, 664178), (3268, 617840), (3440, 586948), (4085, 494272), (6080, 332089), (6536, 308920), (6880, 293474), (7723, 261440), (8170, 247136), (13072, 154460), (13760, 146737), (15446, 130720), (16340, 123568), (26144, 77230), (30892, 65360), (32680, 61784), (38615, 52288)]