18888931642

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1\times {\mathrm{3851}}^1$

素因数の和:4471

約数の個数: 64

約数和(自身を含む): 35284813056

約数和(自身を除く): 16395881414

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 557, 629, 1114, 1258, 3851, 3899, 4403, 7702, 7798, 8806, 9469, 18938, 20609, 26957, 41218, 53914, 65467, 66283, 130934, 132566, 142487, 144263, 284974, 288526, 350353, 458269, 700706, 916538, 997409, 1994818, 2145007, 2422279, 2452471, 4290014, 4844558, 4904942, 15015049, 16955953, 30030098, 33911906, 36465119, 72930238, 79365259, 158730518, 255255833, 510511666, 555556813, 1111113626, 1349209403, 2698418806, 9444465821, 18888931642]

約数ペア:

[(1, 18888931642), (2, 9444465821), (7, 2698418806), (14, 1349209403), (17, 1111113626), (34, 555556813), (37, 510511666), (74, 255255833), (119, 158730518), (238, 79365259), (259, 72930238), (518, 36465119), (557, 33911906), (629, 30030098), (1114, 16955953), (1258, 15015049), (3851, 4904942), (3899, 4844558), (4403, 4290014), (7702, 2452471), (7798, 2422279), (8806, 2145007), (9469, 1994818), (18938, 997409), (20609, 916538), (26957, 700706), (41218, 458269), (53914, 350353), (65467, 288526), (66283, 284974), (130934, 144263), (132566, 142487)]