20171851882

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1\times {\mathrm{4451}}^1$

素因数の和:5183

約数の個数: 64

約数和(自身を含む): 38312273664

約数和(自身を除く): 18140421782

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 673, 962, 1346, 3367, 4451, 4711, 6734, 8749, 8902, 9422, 17498, 24901, 31157, 49802, 57863, 61243, 62314, 115726, 122486, 164687, 174307, 323713, 329374, 348614, 405041, 647426, 810082, 1152809, 2140931, 2265991, 2305618, 2995523, 4281862, 4531982, 5991046, 14986517, 20968661, 29973034, 38941799, 41937322, 77883598, 110834351, 221668702, 272592593, 545185186, 775840457, 1440846563, 1551680914, 2881693126, 10085925941, 20171851882]

約数ペア:

[(1, 20171851882), (2, 10085925941), (7, 2881693126), (13, 1551680914), (14, 1440846563), (26, 775840457), (37, 545185186), (74, 272592593), (91, 221668702), (182, 110834351), (259, 77883598), (481, 41937322), (518, 38941799), (673, 29973034), (962, 20968661), (1346, 14986517), (3367, 5991046), (4451, 4531982), (4711, 4281862), (6734, 2995523), (8749, 2305618), (8902, 2265991), (9422, 2140931), (17498, 1152809), (24901, 810082), (31157, 647426), (49802, 405041), (57863, 348614), (61243, 329374), (62314, 323713), (115726, 174307), (122486, 164687)]