19659650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 39272040

約数和(自身を除く): 19612390

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 101, 170, 202, 229, 425, 458, 505, 850, 1010, 1145, 1717, 2290, 2525, 3434, 3893, 5050, 5725, 7786, 8585, 11450, 17170, 19465, 23129, 38930, 42925, 46258, 85850, 97325, 115645, 194650, 231290, 393193, 578225, 786386, 1156450, 1965965, 3931930, 9829825, 19659650]

約数ペア:

[(1, 19659650), (2, 9829825), (5, 3931930), (10, 1965965), (17, 1156450), (25, 786386), (34, 578225), (50, 393193), (85, 231290), (101, 194650), (170, 115645), (202, 97325), (229, 85850), (425, 46258), (458, 42925), (505, 38930), (850, 23129), (1010, 19465), (1145, 17170), (1717, 11450), (2290, 8585), (2525, 7786), (3434, 5725), (3893, 5050)]