16818876

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 45543680

約数和(自身を除く): 28724804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 367, 402, 603, 684, 734, 804, 1101, 1206, 1273, 1468, 2202, 2412, 2546, 3303, 3819, 4404, 5092, 6606, 6973, 7638, 11457, 13212, 13946, 15276, 20919, 22914, 24589, 27892, 41838, 45828, 49178, 62757, 73767, 83676, 98356, 125514, 147534, 221301, 251028, 295068, 442602, 467191, 885204, 934382, 1401573, 1868764, 2803146, 4204719, 5606292, 8409438, 16818876]

約数ペア:

[(1, 16818876), (2, 8409438), (3, 5606292), (4, 4204719), (6, 2803146), (9, 1868764), (12, 1401573), (18, 934382), (19, 885204), (36, 467191), (38, 442602), (57, 295068), (67, 251028), (76, 221301), (114, 147534), (134, 125514), (171, 98356), (201, 83676), (228, 73767), (268, 62757), (342, 49178), (367, 45828), (402, 41838), (603, 27892), (684, 24589), (734, 22914), (804, 20919), (1101, 15276), (1206, 13946), (1273, 13212), (1468, 11457), (2202, 7638), (2412, 6973), (2546, 6606), (3303, 5092), (3819, 4404)]