18699142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18625658

約数列:

[1, 2, 7, 11, 14, 22, 29, 53, 58, 77, 79, 106, 154, 158, 203, 319, 371, 406, 553, 583, 638, 742, 869, 1106, 1166, 1537, 1738, 2233, 2291, 3074, 4081, 4187, 4466, 4582, 6083, 8162, 8374, 10759, 12166, 16037, 16907, 21518, 25201, 29309, 32074, 33814, 46057, 50402, 58618, 92114, 118349, 121423, 176407, 236698, 242846, 322399, 352814, 644798, 849961, 1335653, 1699922, 2671306, 9349571, 18699142]

約数ペア:

[(1, 18699142), (2, 9349571), (7, 2671306), (11, 1699922), (14, 1335653), (22, 849961), (29, 644798), (53, 352814), (58, 322399), (77, 242846), (79, 236698), (106, 176407), (154, 121423), (158, 118349), (203, 92114), (319, 58618), (371, 50402), (406, 46057), (553, 33814), (583, 32074), (638, 29309), (742, 25201), (869, 21518), (1106, 16907), (1166, 16037), (1537, 12166), (1738, 10759), (2233, 8374), (2291, 8162), (3074, 6083), (4081, 4582), (4187, 4466)]