19775087140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3061159}}^1$

素因数の和:3061204

約数の個数: 48

約数和(自身を含む): 46284739200

約数和(自身を除く): 26509652060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 3061159, 6122318, 12244636, 15305795, 30611590, 52039703, 58162021, 61223180, 104079406, 116324042, 208158812, 232648084, 260198515, 290810105, 520397030, 581620210, 988754357, 1040794060, 1163240420, 1977508714, 3955017428, 4943771785, 9887543570, 19775087140]

約数ペア:

[(1, 19775087140), (2, 9887543570), (4, 4943771785), (5, 3955017428), (10, 1977508714), (17, 1163240420), (19, 1040794060), (20, 988754357), (34, 581620210), (38, 520397030), (68, 290810105), (76, 260198515), (85, 232648084), (95, 208158812), (170, 116324042), (190, 104079406), (323, 61223180), (340, 58162021), (380, 52039703), (646, 30611590), (1292, 15305795), (1615, 12244636), (3230, 6122318), (6460, 3061159)]