19951338

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 45650304

約数和(自身を除く): 25698966

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 73, 82, 101, 123, 146, 202, 219, 246, 303, 438, 451, 606, 803, 902, 1111, 1353, 1606, 2222, 2409, 2706, 2993, 3333, 4141, 4818, 5986, 6666, 7373, 8282, 8979, 12423, 14746, 17958, 22119, 24846, 32923, 44238, 45551, 65846, 81103, 91102, 98769, 136653, 162206, 197538, 243309, 273306, 302293, 486618, 604586, 906879, 1813758, 3325223, 6650446, 9975669, 19951338]

約数ペア:

[(1, 19951338), (2, 9975669), (3, 6650446), (6, 3325223), (11, 1813758), (22, 906879), (33, 604586), (41, 486618), (66, 302293), (73, 273306), (82, 243309), (101, 197538), (123, 162206), (146, 136653), (202, 98769), (219, 91102), (246, 81103), (303, 65846), (438, 45551), (451, 44238), (606, 32923), (803, 24846), (902, 22119), (1111, 17958), (1353, 14746), (1606, 12423), (2222, 8979), (2409, 8282), (2706, 7373), (2993, 6666), (3333, 5986), (4141, 4818)]