19727035930

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1283}}^1\times {\mathrm{31379}}^1$

素因数の和:32683

約数の個数: 48

約数和(自身を含む): 41339509920

約数和(自身を除く): 21612473990

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1283, 2566, 6415, 8981, 12830, 17962, 31379, 44905, 62758, 62867, 89810, 125734, 156895, 219653, 313790, 314335, 439306, 628670, 1098265, 1537571, 2196530, 3075142, 7687855, 15375710, 40259257, 80518514, 201296285, 281814799, 402592570, 563629598, 1409073995, 1972703593, 2818147990, 3945407186, 9863517965, 19727035930]

約数ペア:

[(1, 19727035930), (2, 9863517965), (5, 3945407186), (7, 2818147990), (10, 1972703593), (14, 1409073995), (35, 563629598), (49, 402592570), (70, 281814799), (98, 201296285), (245, 80518514), (490, 40259257), (1283, 15375710), (2566, 7687855), (6415, 3075142), (8981, 2196530), (12830, 1537571), (17962, 1098265), (31379, 628670), (44905, 439306), (62758, 314335), (62867, 313790), (89810, 219653), (125734, 156895)]