19501496072

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{1277}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 37551729600

約数和(自身を除く): 18050233528

約数列:

[1, 2, 4, 8, 83, 109, 166, 211, 218, 332, 422, 436, 664, 844, 872, 1277, 1688, 2554, 5108, 9047, 10216, 17513, 18094, 22999, 35026, 36188, 45998, 70052, 72376, 91996, 105991, 139193, 140104, 183992, 211982, 269447, 278386, 423964, 538894, 556772, 847928, 1077788, 1113544, 1908917, 2155576, 3817834, 7635668, 11553019, 15271336, 22364101, 23106038, 29369723, 44728202, 46212076, 58739446, 89456404, 92424152, 117478892, 178912808, 234957784, 2437687009, 4875374018, 9750748036, 19501496072]

約数ペア:

[(1, 19501496072), (2, 9750748036), (4, 4875374018), (8, 2437687009), (83, 234957784), (109, 178912808), (166, 117478892), (211, 92424152), (218, 89456404), (332, 58739446), (422, 46212076), (436, 44728202), (664, 29369723), (844, 23106038), (872, 22364101), (1277, 15271336), (1688, 11553019), (2554, 7635668), (5108, 3817834), (9047, 2155576), (10216, 1908917), (17513, 1113544), (18094, 1077788), (22999, 847928), (35026, 556772), (36188, 538894), (45998, 423964), (70052, 278386), (72376, 269447), (91996, 211982), (105991, 183992), (139193, 140104)]